- hollow
副 词: hollowly
名 词: hollowness
hollow fiber 中空纤维
hollow glass 中空玻璃；凹窝载玻片
hollow block 空心块，
- slide水滑道
slide projector 幻灯机，幻灯片放映机
slide guide 滑动导轨，导轨
slide over 略过；回避
glass slide 载玻片；玻璃载片
slide
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officeholder,
officeoverhead,
officer,
officers,
offices,
official,
official document,
official language,
officialchannel,
officialdom,
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3G,
401(K),
a,