;Juliet climbed the stairs, feeling unutterably weary.
朱莉叶爬上
，感到疲惫不堪。
n. ；级（stair的复数）
；级（stair的复数）flight of stairs 阶步级
步级down stairs 下
They went huffing and puffing up the stairs.
他们气喘吁吁地爬上。
The old lady can mount the stairs only with difficulty.
这位老妇人上十分艰
。
He took a tumble down the stairs.
他摔下了。
Steep stairs may leave you giddy and faint.
陡直的可使人头晕目眩。
Doreen stood at the top of the stairs.
多琳站在顶部。
In front of stairs the burier quite anxious.
阶前愁煞葬花人。
She started a chary descent of the stairs.
她开始小心翼翼地下。
The thief heard soft footsteps coming down the stairs.
那个贼听到有人轻轻走下来的脚步声。
The elderly woman climbs up the stairs with difficulty.
这位老妇人爬很吃力。
He slipped on the stairs and put his ankle out.
他在上滑了一跤, 踝关节脱臼了。
I carried her,still inert,up the stairs to my room.
她仍然一动也不动,我把她抱到上我的
。
I charged down the stairs, unheedful of the missing bannister.
我冲下，没有留意脱落的扶手。
The stairs in the Five-Star hotel ascend in a graceful curve.
这个五星级的酒店以优美的曲线上升。
I asked the building firm to estimate for the repairs to the stairs.
我请建筑公司估算一下修理的费用。
She stopped at the top of the stairs to get her breath back.
她在顶上停了下来歇口气。
The boy stumbled on the stairs but was able to keep his feet.
这男孩在上绊了一下, 但没有跌倒。
During the night a metal dish was heard to clatter down the stone stairs.
夜里听到有金属盘子叮叮咚咚滚下了石阶的声音。
My grandmother used to work below stairs as a housemaid when she was young.
我祖母年轻的时候曾当过女佣人。
The tall graceful form of a woman appeared at the top of the stairs.
一个体形修长优美的女人出现在顶上。
声明：以上例句、词性分类均由互联网资源自动生成，部分未经过人工审核，其表达内容亦不代表本软件的观点；若发现问题，欢迎向我们指正。
用户正在搜索
brutishly, brutism, brutonizing, Bruttium, brutto, Brutus, bruvver, brux, Bruxelles, Bruxellian,
相似单词
stair well, stair-carpet, staircase, stairhead, stair-rod, stairs, stairstep, stair-step, stairway, stairwell,
n. 楼梯；梯级（stair的复数）
flight of stairs 阶梯步级
down stairs 下楼
Juliet climbed the stairs, feeling unutterably weary.
莉叶爬上楼梯，感到疲惫不堪。
They went huffing and puffing up the stairs.
他们气喘吁吁地爬上楼梯。
The old lady can mount the stairs only with difficulty.
这位老妇人上楼梯十分艰。
He took a tumble down the stairs.
他摔下了楼梯。
Steep stairs may leave you giddy and faint.
陡直的楼梯可使人头晕目眩。
Doreen stood at the top of the stairs.
多琳站在楼梯顶部。
In front of stairs the burier quite anxious.
阶前愁煞葬花人。
She started a chary descent of the stairs.
她
心翼翼地下楼梯。
The thief heard soft footsteps coming down the stairs.
那个贼听到有人轻轻走下楼来的脚步声。
The elderly woman climbs up the stairs with difficulty.
这位老妇人爬楼梯很吃力。
He slipped on the stairs and put his ankle out.
他在楼梯上滑了一跤, 踝关节脱臼了。
I carried her,still inert,up the stairs to my room.
她仍然一动也不动,我把她抱到楼上我的房间去。
I charged down the stairs, unheedful of the missing bannister.
我冲下楼梯，没有留意脱落的扶手。
The stairs in the Five-Star hotel ascend in a graceful curve.
这个五星级的酒店楼梯以优美的曲线上升。
I asked the building firm to estimate for the repairs to the stairs.
我请建筑公司估算一下修理楼梯的费用。
She stopped at the top of the stairs to get her breath back.
她在楼梯顶上停了下来歇口气。
The boy stumbled on the stairs but was able to keep his feet.
这男孩在楼梯上绊了一下, 但没有跌倒。
During the night a metal dish was heard to clatter down the stone stairs.
夜里听到有金属盘子叮叮咚咚滚下了石阶的声音。
My grandmother used to work below stairs as a housemaid when she was young.
我祖母年轻的时候曾当过女佣人。
The tall graceful form of a woman appeared at the top of the stairs.
一个体形修长优美的女人出现在楼梯顶上。
声明：以上例
、词性分类均由互联网资源自动生成，部分未经过人工审核，其表达内容亦不代表本软件的观点；若发现问题，欢迎向我们指正。
用户正在搜索
BSCI, B-scope, BSCP, BSCRA, BSD, BSE, BSF, BSG, BSH, BSI,
相似单词
stair well, stair-carpet, staircase, stairhead, stair-rod, stairs, stairstep, stair-step, stairway, stairwell,
n. 楼梯；梯级（stair的复数）
flight of stairs 阶梯步级
down stairs 下楼
Juliet climbed the stairs, feeling unutterably weary.
朱莉叶爬上楼梯，感到疲惫不堪。
They went huffing and puffing up the stairs.
们气喘吁吁地爬上楼梯。
The old lady can mount the stairs only with difficulty.
这位老妇人上楼梯十
。
He took a tumble down the stairs.
下了楼梯。
Steep stairs may leave you giddy and faint.
陡直的楼梯可使人头晕目眩。
Doreen stood at the top of the stairs.
多琳站在楼梯顶部。
In front of stairs the burier quite anxious.
阶前愁煞葬花人。
She started a chary descent of the stairs.
她开始小心翼翼地下楼梯。
The thief heard soft footsteps coming down the stairs.
那个贼听到有人轻轻走下楼来的脚步声。
The elderly woman climbs up the stairs with difficulty.
这位老妇人爬楼梯很吃力。
He slipped on the stairs and put his ankle out.
在楼梯上滑了一跤, 踝关节脱臼了。
I carried her,still inert,up the stairs to my room.
她仍然一动也不动,我把她抱到楼上我的房间去。
I charged down the stairs, unheedful of the missing bannister.
我冲下楼梯，没有留意脱落的扶手。
The stairs in the Five-Star hotel ascend in a graceful curve.
这个五星级的酒店楼梯以优美的曲线上升。
I asked the building firm to estimate for the repairs to the stairs.
我请建筑公司估算一下修理楼梯的费用。
She stopped at the top of the stairs to get her breath back.
她在楼梯顶上停了下来歇口气。
The boy stumbled on the stairs but was able to keep his feet.
这男孩在楼梯上绊了一下, 但没有跌倒。
During the night a metal dish was heard to clatter down the stone stairs.
夜里听到有金属盘子叮叮咚咚滚下了石阶的声音。
My grandmother used to work below stairs as a housemaid when she was young.
我祖母年轻的时候曾当过女佣人。
The tall graceful form of a woman appeared at the top of the stairs.
一个体形修长优美的女人出现在楼梯顶上。
声明：以上例句、词性
类均由互联网资源自动生成，部未经过人工审核，其表达内容亦不代表本软件的观点；若发现问题，欢迎向我们指正。
用户正在搜索
BSR, BSRA, BSRL, BSS, BST, B-subduction, BSW, bt, BTA, btam,
相似单词
stair well, stair-carpet, staircase, stairhead, stair-rod, stairs, stairstep, stair-step, stairway, stairwell,
n. 梯；梯级（stair
复数）
梯；梯级（stair复数）
，flight of stairs 阶梯步级
down stairs 下
Juliet climbed the stairs, feeling unutterably weary.
朱莉叶爬上梯，感到疲惫不堪。
They went huffing and puffing up the stairs.
他们气喘吁吁
爬上梯。
The old lady can mount the stairs only with difficulty.
这位老妇人上梯十分艰。
He took a tumble down the stairs.
他摔下了梯。
Steep stairs may leave you giddy and faint.
陡直梯可使人头晕目眩。
Doreen stood at the top of the stairs.
多琳站在梯顶部。
In front of stairs the burier quite anxious.
阶前愁煞葬花人。
She started a chary descent of the stairs.
她开始小心翼翼下梯。
The thief heard soft footsteps coming down the stairs.
那个贼听到有人轻轻走下
脚步声。
The elderly woman climbs up the stairs with difficulty.
这位老妇人爬梯很吃力。
He slipped on the stairs and put his ankle out.
他在梯上滑了一跤, 踝关节脱臼了。
I carried her,still inert,up the stairs to my room.
她仍然一动也不动,我把她抱到上我房间去。
I charged down the stairs, unheedful of the missing bannister.
我冲下梯，没有留意脱落扶手。
The stairs in the Five-Star hotel ascend in a graceful curve.
这个五星级酒店梯以优美曲线上升。
I asked the building firm to estimate for the repairs to the stairs.
我请建筑公司估算一下修理梯费用。
She stopped at the top of the stairs to get her breath back.
她在梯顶上停了下歇口气。
The boy stumbled on the stairs but was able to keep his feet.
这男孩在梯上绊了一下, 但没有跌倒。
During the night a metal dish was heard to clatter down the stone stairs.
夜里听到有金属盘子叮叮咚咚滚下了石阶声音。
My grandmother used to work below stairs as a housemaid when she was young.
我祖母年轻时候曾当过女佣人。
The tall graceful form of a woman appeared at the top of the stairs.
一个体形修长优美女人出现在梯顶上。
声明：以上例句、词性分类均由互联网资源自动生成，部分未经过人工审核，其表达内容亦不代表本软件
观点；若发现问题，欢迎向我们指正。
用户正在搜索
BUA, bub, buba, bubal, bubaline, bubalis, Bubastis, bubbing, bubble, bubble bath,
相似单词
stair well, stair-carpet, staircase, stairhead, stair-rod, stairs, stairstep, stair-step, stairway, stairwell,
n. 梯；梯级（stair的复数）
梯；梯级（stair的复数）flight of stairs 阶梯步级
down stairs 下
Juliet climbed the stairs, feeling unutterably weary.
朱莉叶爬上梯，感到疲惫不堪。
They went huffing and puffing up the stairs.
他们气喘吁吁爬上梯。
The old lady can mount the stairs only with difficulty.
这位老妇人上梯十分艰。
He took a tumble down the stairs.
他摔下了梯。
Steep stairs may leave you giddy and faint.
陡直的梯可使人头晕目眩。
Doreen stood at the top of the stairs.
多琳站在梯顶部。
In front of stairs the burier quite anxious.
阶前愁煞葬花人。
She started a chary descent of the stairs.
她开始小心
下梯。
The thief heard soft footsteps coming down the stairs.
那个贼听到有人轻轻走下来的脚步声。
The elderly woman climbs up the stairs with difficulty.
这位老妇人爬梯很吃力。
He slipped on the stairs and put his ankle out.
他在梯上滑了一跤, 踝关节脱臼了。
I carried her,still inert,up the stairs to my room.
她仍然一动也不动,我把她抱到上我的房间去。
I charged down the stairs, unheedful of the missing bannister.
我冲下梯，没有留意脱落的扶手。
The stairs in the Five-Star hotel ascend in a graceful curve.
这个五星级的酒店梯以优美的曲线上升。
I asked the building firm to estimate for the repairs to the stairs.
我请建筑公司估算一下修理梯的费用。
She stopped at the top of the stairs to get her breath back.
她在梯顶上停了下来歇口气。
The boy stumbled on the stairs but was able to keep his feet.
这男孩在梯上绊了一下, 但没有跌倒。
During the night a metal dish was heard to clatter down the stone stairs.
夜里听到有金属盘子叮叮咚咚滚下了石阶的声音。
My grandmother used to work below stairs as a housemaid when she was young.
我祖母年轻的时候曾当过女佣人。
The tall graceful form of a woman appeared at the top of the stairs.
一个体形修长优美的女人出现在梯顶上。
声明：以上例句、词性分类均由互联网资源自动生成，部分未经过人工审核，其表达内容亦不代表本软件的观点；若发现问题，欢迎向我们指正。
用户正在搜索
bubblehead, bubbleheaded, bubblemeter, bubbler, bubbles, bubbletop, bubbling, bubbly, bubby, Buber,
相似单词
stair well, stair-carpet, staircase, stairhead, stair-rod, stairs, stairstep, stair-step, stairway, stairwell,
用户正在搜索
Buchan, Buchanan, Bucharest, Buchenwald, buchite, Buchman, Buchmanism, Buchmanite, Buchner, buchonite,
相似单词
stair well, stair-carpet, staircase, stairhead, stair-rod, stairs, stairstep, stair-step, stairway, stairwell,
用户正在搜索
budgeted, budgeteer, budgeteering, budgeter, budgets, budgie, budless, budlet, budling, budo,
相似单词
stair well, stair-carpet, staircase, stairhead, stair-rod, stairs, stairstep, stair-step, stairway, stairwell,
n. 楼梯；梯级（stair的复数）
flight of stairs 阶梯步级
down stairs 下楼
Juliet climbed the stairs, feeling unutterably weary.
莉叶爬上楼梯，感到疲惫不堪。
They went huffing and puffing up the stairs.
他们气喘吁吁地爬上楼梯。
The old lady can mount the stairs only with difficulty.
这位老妇人上楼梯十分艰。
He took a tumble down the stairs.
他摔下了楼梯。
Steep stairs may leave you giddy and faint.
陡直的楼梯可使人头晕目眩。
Doreen stood at the top of the stairs.
多琳站在楼梯顶部。
In front of stairs the burier quite anxious.
阶前愁煞葬花人。
She started a chary descent of the stairs.
她心翼翼地下楼梯。
The thief heard soft footsteps coming down the stairs.
那个贼听到有人轻轻走下楼来的脚步声。
The elderly woman climbs up the stairs with difficulty.
这位老妇人爬楼梯很吃力。
He slipped on the stairs and put his ankle out.
他在楼梯上滑了一跤, 踝关节脱臼了。
I carried her,still inert,up the stairs to my room.
她仍然一动也不动,我把她抱到楼上我的房间去。
I charged down the stairs, unheedful of the missing bannister.
我冲下楼梯，没有留意脱落的扶手。
The stairs in the Five-Star hotel ascend in a graceful curve.
这个五星级的酒店楼梯以优美的曲线上升。
I asked the building firm to estimate for the repairs to the stairs.
我请建筑公司估算一下修理楼梯的费用。
She stopped at the top of the stairs to get her breath back.
她在楼梯顶上停了下来歇口气。
The boy stumbled on the stairs but was able to keep his feet.
这男孩在楼梯上绊了一下, 但没有跌倒。
During the night a metal dish was heard to clatter down the stone stairs.
夜里听到有金属盘子叮叮咚咚滚下了石阶的声音。
My grandmother used to work below stairs as a housemaid when she was young.
我祖母年轻的时候曾当过女佣人。
The tall graceful form of a woman appeared at the top of the stairs.
一个体形修长优美的女人出现在楼梯顶上。
声明：以上例、词性分类均由互联网资源自动生成，部分未经过人工审核，其表达内容亦不代表本软件的观点；若发现问题，欢迎向我们指正。
用户正在搜索
buetschliite, buf, bufadienolide, bufagin, bufalin, bufandide, bufanolide, bufatrienolide, bufeniode, bufetolol,
相似单词
stair well, stair-carpet, staircase, stairhead, stair-rod, stairs, stairstep, stair-step, stairway, stairwell,
n. 楼梯；梯级（stair的复数）
梯，楼梯;flight of stairs 
梯步级
梯步级down stairs 下楼
Juliet climbed the stairs, feeling unutterably weary.
朱莉叶爬上楼梯，感
不堪。
They went huffing and puffing up the stairs.
他们气喘吁吁地爬上楼梯。
The old lady can mount the stairs only with difficulty.
这位老妇人上楼梯十分艰。
He took a tumble down the stairs.
他摔下了楼梯。
Steep stairs may leave you giddy and faint.
陡直的楼梯可使人头晕目眩。
Doreen stood at the top of the stairs.
多琳站在楼梯
。
In front of stairs the burier quite anxious.
前愁煞葬花人。
She started a chary descent of the stairs.
她开始小心翼翼地下楼梯。
The thief heard soft footsteps coming down the stairs.
那个贼听有人轻轻走下楼来的脚步声。
The elderly woman climbs up the stairs with difficulty.
这位老妇人爬楼梯很吃力。
He slipped on the stairs and put his ankle out.
他在楼梯上滑了一跤, 踝关节脱臼了。
I carried her,still inert,up the stairs to my room.
她仍然一动也不动,我把她抱楼上我的房间去。
I charged down the stairs, unheedful of the missing bannister.
我冲下楼梯，没有留意脱落的扶手。
The stairs in the Five-Star hotel ascend in a graceful curve.
这个五星级的酒店楼梯以优美的曲线上升。
I asked the building firm to estimate for the repairs to the stairs.
我请建筑公司估算一下修理楼梯的费用。
She stopped at the top of the stairs to get her breath back.
她在楼梯上停了下来歇口气。
The boy stumbled on the stairs but was able to keep his feet.
这男孩在楼梯上绊了一下, 但没有跌倒。
During the night a metal dish was heard to clatter down the stone stairs.
夜里听有金属盘子叮叮咚咚滚下了石的声音。
My grandmother used to work below stairs as a housemaid when she was young.
我祖母年轻的时候曾当过女佣人。
The tall graceful form of a woman appeared at the top of the stairs.
一个体形修长优美的女人出现在楼梯上。
声明：以上例句、词性分类均由互联网资源自动生成，
分未经过人工审核，其表达内容亦不代表本软件的观点；若发现问题，欢迎向我们指正。
用户正在搜索
buffer solution, buffer state, buffer storage, buffering, buffers, buffet, buffet car, buffeting, Buffett, buffi,
相似单词
stair well, stair-carpet, staircase, stairhead, stair-rod, stairs, stairstep, stair-step, stairway, stairwell,
n. 梯；梯级（stair的复数）
梯；梯级（stair的复数）flight of stairs 阶梯步级
down stairs 下
Juliet climbed the stairs, feeling unutterably weary.
朱莉叶
梯，感到疲惫不堪。
They went huffing and puffing up the stairs.
他们气喘吁吁地梯。
The old lady can mount the stairs only with difficulty.
这位老妇人梯十分艰。
He took a tumble down the stairs.
他摔下了梯。
Steep stairs may leave you giddy and faint.
陡直的梯可使人头晕目眩。
Doreen stood at the top of the stairs.
多琳站在梯顶部。
In front of stairs the burier quite anxious.
阶前愁
人。
She started a chary descent of the stairs.
她开始小心翼翼地下梯。
The thief heard soft footsteps coming down the stairs.
那个贼听到有人轻轻走下来的脚步声。
The elderly woman climbs up the stairs with difficulty.
这位老妇人梯很吃力。
He slipped on the stairs and put his ankle out.
他在梯滑了一跤, 踝关节脱臼了。
I carried her,still inert,up the stairs to my room.
她仍然一动也不动,我把她抱到我的房间去。
I charged down the stairs, unheedful of the missing bannister.
我冲下梯，没有留意脱落的扶手。
The stairs in the Five-Star hotel ascend in a graceful curve.
这个五星级的酒店梯以优美的曲线升。
I asked the building firm to estimate for the repairs to the stairs.
我请建筑公司估算一下修理梯的费用。
She stopped at the top of the stairs to get her breath back.
她在梯顶停了下来歇口气。
The boy stumbled on the stairs but was able to keep his feet.
这男孩在梯绊了一下, 但没有跌倒。
During the night a metal dish was heard to clatter down the stone stairs.
夜里听到有金属盘子叮叮咚咚滚下了石阶的声音。
My grandmother used to work below stairs as a housemaid when she was young.
我祖母年轻的时候曾当过女佣人。
The tall graceful form of a woman appeared at the top of the stairs.
一个体形修长优美的女人出现在梯顶。
声明：以
例句、词性分类均由互联网资源自动生成，部分未经过人工审核，其表达内容亦不代表本软件的观点；若发现问题，欢迎向我们指正。
用户正在搜索
bufin, buflomedil, Bufo, bufogenin, bufonid, Bufonidae, bufonin, bufonite, Buford, buformin,
相似单词
stair well, stair-carpet, staircase, stairhead, stair-rod, stairs, stairstep, stair-step, stairway, stairwell,
n. ；级（stair的复数）
；级（stair的复数）flight of stairs 阶步级
步级down stairs 下
Juliet climbed the stairs, feeling unutterably weary.
朱莉叶爬上，感到疲惫不堪。
They went huffing and puffing up the stairs.
他们气喘吁吁地爬上。
The old lady can mount the stairs only with difficulty.
这位老妇人上十分艰。
He took a tumble down the stairs.
他摔下
。
Steep stairs may leave you giddy and faint.
陡直的可使人头晕目眩。
Doreen stood at the top of the stairs.
多琳站在顶部。
In front of stairs the burier quite anxious.
阶前愁煞葬花人。
She started a chary descent of the stairs.
她开始小心翼翼地下。
The thief heard soft footsteps coming down the stairs.
那个贼听到有人轻轻走下来的脚步声。
The elderly woman climbs up the stairs with difficulty.
这位老妇人爬很吃力。
He slipped on the stairs and put his ankle out.
他在上滑
, 踝关节脱臼。
I carried her,still inert,up the stairs to my room.
她仍然动也不动,我把她抱到上我的房间去。
I charged down the stairs, unheedful of the missing bannister.
我冲下，没有留意脱落的扶手。
The stairs in the Five-Star hotel ascend in a graceful curve.
这个五星级的酒店以优美的曲线上升。
I asked the building firm to estimate for the repairs to the stairs.
我请建筑公司估算下修理的费用。
She stopped at the top of the stairs to get her breath back.
她在顶上停下来歇口气。
The boy stumbled on the stairs but was able to keep his feet.
这男孩在上绊下, 但没有跌倒。
During the night a metal dish was heard to clatter down the stone stairs.
夜里听到有金属盘子叮叮咚咚滚下石阶的声音。
My grandmother used to work below stairs as a housemaid when she was young.
我祖母年轻的时候曾当过女佣人。
The tall graceful form of a woman appeared at the top of the stairs.
个体形修长优美的女人出现在顶上。
声明：以上例句、词性分类均由互联网资源自动生成，部分未经过人工审核，其表达内容亦不代表本软件的观点；若发现问题，欢迎向我们指正。
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bugging, buggy, bugholes, bughouse, bughunter, bugite, bugle, buglelet, bugler, Bugles,
相似单词
stair well, stair-carpet, staircase, stairhead, stair-rod, stairs, stairstep, stair-step, stairway, stairwell,
n. ；级（stair的复数）
；级（stair的复数）
flight of stairs 阶步级
步级down stairs 下
Juliet climbed the stairs, feeling unutterably weary.
朱莉叶爬上，感到疲惫
。
They went huffing and puffing up the stairs.
们气喘吁吁地爬上。
The old lady can mount the stairs only with difficulty.
这位老妇人上十分艰。
He took a tumble down the stairs.
摔下了。
Steep stairs may leave you giddy and faint.
陡直的可使人头晕目眩。
Doreen stood at the top of the stairs.
多琳站
顶部。
In front of stairs the burier quite anxious.
阶前愁煞葬花人。
She started a chary descent of the stairs.
她开始小心翼翼地下。
The thief heard soft footsteps coming down the stairs.
那个贼听到有人轻轻走下来的脚步声。
The elderly woman climbs up the stairs with difficulty.
这位老妇人爬很吃力。
He slipped on the stairs and put his ankle out.
上滑了一跤, 踝关节脱臼了。
I carried her,still inert,up the stairs to my room.
她仍然一动也动,我把她抱到上我的房间去。
I charged down the stairs, unheedful of the missing bannister.
我冲下，没有留意脱落的扶手。
The stairs in the Five-Star hotel ascend in a graceful curve.
这个五星级的酒店以优美的曲线上升。
I asked the building firm to estimate for the repairs to the stairs.
我请建筑公司估算一下修理的费用。
She stopped at the top of the stairs to get her breath back.
她顶上停了下来歇口气。
The boy stumbled on the stairs but was able to keep his feet.
这男孩上绊了一下, 但没有跌倒。
During the night a metal dish was heard to clatter down the stone stairs.
夜里听到有金属盘子叮叮咚咚滚下了石阶的声音。
My grandmother used to work below stairs as a housemaid when she was young.
我祖母年轻的时候曾当过女佣人。
The tall graceful form of a woman appeared at the top of the stairs.
一个体形修长优美的女人出现顶上。
声明：以上例句、词性分类均由互联网资源自动生成，部分未经过人工审核，其表达内容亦
代表本软件的观点；若发现问题，欢迎向我们指正。
用户正在搜索
building code, building material, building permit, building site, building society, building-block, buildingmotion, building-out, buildup, build-up,
相似单词
stair well, stair-carpet, staircase, stairhead, stair-rod, stairs, stairstep, stair-step, stairway, stairwell,