It’s been raining solidly for an hour now.

到现在为止，雨已经不停地下了一个小时。

Recently they have laid an underground pipeline.

最近他们铺设了一条地下管道。

When he was doing underground work, he was arrested because a renegade informed against him.

他做地下工作时, 曾因叛徒告密而被捕。

Due to overpumping groundwater, hazard of mantled karst collapse may often take place there.

因过量抽取地下水，造成覆盖型岩溶塌陷灾害。

The secret service operated against the enemy during the war.

在战争敌方展开地下工作。

Coal miners have to work under the ground.

煤矿工人须在地下工作。

My office is a cubby-hole in the basement.

我办公室是在地下室一个小房。

An aquifer is a water-bearing rock stratum such as sandstone and chalk.

地下蓄水层是一些有水岩石层, 如沙岩和白垩岩。

They burred their treasure under the ground.

他们埋在地下.

The understratum, calcareous sandrock and conglomerate rock, generate dissolution of groundwater.

其下部钙质砂（砾）岩在地下水作用下产生溶蚀现象。

She started a chary descent of the stairs.

她开始小心翼翼地下楼梯。

They caved in the roof of the underground passage with powerful explosives.

他们用强大炸药地下通道顶部炸塌陷了。

The river runs through several underground caves which store the water for the city's use.

这条河流经几处贮存城市用水地下蓄水池。

Palm celestial being lives in the subterranean coalhole of an old building.

棕仙住在一所老房子地下煤库。

It is rather damp in the basement.

地下室很潮湿。

Increased consumption of water has led to rapid depletion of groundwater reserves.

用水量增加导致了地下水贮备迅速枯竭。

Old newspapers and magazines are accumulating in the basement.

旧报纸和旧杂志堆放在地下室中。

The new underground railway will facilitate the journey to all parts of the city.

新地下铁路将为去城市各处提供方便。

Subterranean springhead is numerous, reason with " fontal city " famed at the world.

地下泉源众多,故以“泉城”闻名于世。

It drizzled off and on all day.

整日在时停时续地下着毛毛雨。

It’s been raining solidly for an hour now.

到现在为止，雨已经不停了一个小时。

Recently they have laid an underground pipeline.

最近他们铺设了一条管道。

When he was doing underground work, he was arrested because a renegade informed against him.

他做工作时, 曾因叛徒告密而被捕。

Due to overpumping groundwater, hazard of mantled karst collapse may often take place there.

因过量抽取水，造成覆盖型岩溶塌陷灾害。

The secret service operated against the enemy during the war.

在战争期对敌方展开工作。

Coal miners have to work under the ground.

煤矿工人须在工作。

My office is a cubby-hole in the basement.

我办在一个小房。

An aquifer is a water-bearing rock stratum such as sandstone and chalk.

蓄水层一些有水岩石层, 如沙岩和白垩岩。

They burred their treasure under the ground.

他们把财宝埋在.

The understratum, calcareous sandrock and conglomerate rock, generate dissolution of groundwater.

其部钙质砂（砾）岩在水作用产生溶蚀现象。

She started a chary descent of the stairs.

她开始小心翼翼楼梯。

They caved in the roof of the underground passage with powerful explosives.

他们用强大炸药把通道顶部炸塌陷了。

The river runs through several underground caves which store the water for the city's use.

这条河流经几处贮存城市用水蓄水池。

Palm celestial being lives in the subterranean coalhole of an old building.

棕仙住在一所老房子煤库。

It is rather damp in the basement.

很潮湿。

Increased consumption of water has led to rapid depletion of groundwater reserves.

用水量增加导致了水贮备迅速枯竭。

Old newspapers and magazines are accumulating in the basement.

旧报纸和旧杂志堆放在中。

The new underground railway will facilitate the journey to all parts of the city.

新铁路将为去城市各处提供方便。

Subterranean springhead is numerous, reason with " fontal city " famed at the world.

泉源众多,故以“泉城”闻名于世。

It drizzled off and on all day.

整日在时停时续着毛毛雨。

It’s been raining solidly for an hour now.

到现在，已经不停地下了一个小时。

Recently they have laid an underground pipeline.

最近他们铺设了一条地下管道。

When he was doing underground work, he was arrested because a renegade informed against him.

他做地下工作时, 曾因叛徒告密而被捕。

Due to overpumping groundwater, hazard of mantled karst collapse may often take place there.

因过量抽取地下水，造成覆盖型岩溶塌陷灾害。

The secret service operated against the enemy during the war.

在战争期间对敌方展开地下工作。

Coal miners have to work under the ground.

煤矿工人须在地下工作。

My office is a cubby-hole in the basement.

我办公室是在地下室一个小房间。

An aquifer is a water-bearing rock stratum such as sandstone and chalk.

地下蓄水层是一些有水岩石层, 如沙岩和白垩岩。

They burred their treasure under the ground.

他们把财宝埋在地下.

The understratum, calcareous sandrock and conglomerate rock, generate dissolution of groundwater.

其下部钙质砂（砾）岩在地下水作用下产生溶蚀现象。

She started a chary descent of the stairs.

她开始小心翼翼地下楼梯。

They caved in the roof of the underground passage with powerful explosives.

他们用强大炸药把地下通道顶部炸塌陷了。

The river runs through several underground caves which store the water for the city's use.

这条河流经几城市用水地下蓄水池。

Palm celestial being lives in the subterranean coalhole of an old building.

棕仙住在一所老房子地下煤库。

It is rather damp in the basement.

地下室很潮湿。

Increased consumption of water has led to rapid depletion of groundwater reserves.

用水量增加导致了地下水备迅速枯竭。

Old newspapers and magazines are accumulating in the basement.

旧报纸和旧杂志堆放在地下室中。

The new underground railway will facilitate the journey to all parts of the city.

新地下铁路将去城市各提供方便。

Subterranean springhead is numerous, reason with " fontal city " famed at the world.

地下泉源众多,故以“泉城”闻名于世。

It drizzled off and on all day.

整日在时停时续地下着毛毛。

It’s been raining solidly for an hour now.

到现在为止，雨已经不停了一个小时。

Recently they have laid an underground pipeline.

最近他们铺设了一条管道。

When he was doing underground work, he was arrested because a renegade informed against him.

他做时, 曾因叛徒告密而被捕。

Due to overpumping groundwater, hazard of mantled karst collapse may often take place there.

因过量抽取水，造成覆盖型岩溶塌陷灾害。

The secret service operated against the enemy during the war.

在战争期间对敌方展开。

Coal miners have to work under the ground.

煤矿人须在。

My office is a cubby-hole in the basement.

我办公室是在室一个小房间。

An aquifer is a water-bearing rock stratum such as sandstone and chalk.

蓄水层是一些有水岩石层, 如沙岩和白垩岩。

They burred their treasure under the ground.

他们把财宝埋在.

The understratum, calcareous sandrock and conglomerate rock, generate dissolution of groundwater.

其部钙质砂（砾）岩在水用产生溶蚀现象。

She started a chary descent of the stairs.

她开始小心翼翼梯。

They caved in the roof of the underground passage with powerful explosives.

他们用强大炸药把通道顶部炸塌陷了。

The river runs through several underground caves which store the water for the city's use.

这条河流经几处贮存城市用水蓄水池。

Palm celestial being lives in the subterranean coalhole of an old building.

棕仙住在一所老房子煤库。

It is rather damp in the basement.

室很潮湿。

Increased consumption of water has led to rapid depletion of groundwater reserves.

用水量增加导致了水贮备迅速枯竭。

Old newspapers and magazines are accumulating in the basement.

旧报纸和旧杂志堆放在室中。

The new underground railway will facilitate the journey to all parts of the city.

新铁路将为去城市各处提供方便。

Subterranean springhead is numerous, reason with " fontal city " famed at the world.

泉源众多,故以“泉城”闻名于世。

It drizzled off and on all day.

整日在时停时续着毛毛雨。

It’s been raining solidly for an hour now.

到现在为止，雨已经下了一个小时。

Recently they have laid an underground pipeline.

最近他们铺设了一下管道。

When he was doing underground work, he was arrested because a renegade informed against him.

他做下工作时, 曾因叛徒告密而被捕。

Due to overpumping groundwater, hazard of mantled karst collapse may often take place there.

因过量抽取下水，造成覆盖型岩溶塌陷灾害。

The secret service operated against the enemy during the war.

在战争期间对敌方展开下工作。

Coal miners have to work under the ground.

煤矿工人须在下工作。

My office is a cubby-hole in the basement.

我办公室是在下室一个小房间。

An aquifer is a water-bearing rock stratum such as sandstone and chalk.

下蓄水层是一些有水岩石层, 如沙岩和白垩岩。

They burred their treasure under the ground.

他们把财宝埋在下.

The understratum, calcareous sandrock and conglomerate rock, generate dissolution of groundwater.

其下部钙质砂（砾）岩在下水作用下产生溶蚀现象。

She started a chary descent of the stairs.

她开始小心翼翼下楼梯。

They caved in the roof of the underground passage with powerful explosives.

他们用强大炸药把下通道顶部炸塌陷了。

The river runs through several underground caves which store the water for the city's use.

这经几处贮存城市用水下蓄水池。

Palm celestial being lives in the subterranean coalhole of an old building.

棕仙住在一所老房子下煤库。

It is rather damp in the basement.

下室很潮湿。

Increased consumption of water has led to rapid depletion of groundwater reserves.

用水量增加导致了下水贮备迅速枯竭。

Old newspapers and magazines are accumulating in the basement.

旧报纸和旧杂志堆放在下室中。

The new underground railway will facilitate the journey to all parts of the city.

新下铁路将为去城市各处提供方便。

Subterranean springhead is numerous, reason with " fontal city " famed at the world.

下泉源众多,故以“泉城”闻名于世。

It drizzled off and on all day.

整日在时时续下着毛毛雨。

It’s been raining solidly for an hour now.

到现为止，雨已经不停地下了一个小时。

Recently they have laid an underground pipeline.

最近他们铺设了一条地下管道。

When he was doing underground work, he was arrested because a renegade informed against him.

他做地下工作时, 曾因叛徒告密而被捕。

Due to overpumping groundwater, hazard of mantled karst collapse may often take place there.

因过量抽取地下水，造型溶塌陷灾害。

The secret service operated against the enemy during the war.

战争期间对敌方展开地下工作。

Coal miners have to work under the ground.

煤矿工人须地下工作。

My office is a cubby-hole in the basement.

我办公室是地下室一个小房间。

An aquifer is a water-bearing rock stratum such as sandstone and chalk.

地下蓄水层是一些有水石层, 如沙和白垩。

They burred their treasure under the ground.

他们把财宝埋地下.

The understratum, calcareous sandrock and conglomerate rock, generate dissolution of groundwater.

其下部钙质砂（）地下水作用下产生溶蚀现象。

She started a chary descent of the stairs.

她开始小心翼翼地下楼梯。

They caved in the roof of the underground passage with powerful explosives.

他们用强大炸药把地下通道顶部炸塌陷了。

The river runs through several underground caves which store the water for the city's use.

这条河流经几处贮存城市用水地下蓄水池。

Palm celestial being lives in the subterranean coalhole of an old building.

棕仙住一所老房子地下煤库。

It is rather damp in the basement.

地下室很潮湿。

Increased consumption of water has led to rapid depletion of groundwater reserves.

用水量增加导致了地下水贮备迅速枯竭。

Old newspapers and magazines are accumulating in the basement.

旧报纸和旧杂志堆放地下室中。

The new underground railway will facilitate the journey to all parts of the city.

新地下铁路将为去城市各处提供方便。

Subterranean springhead is numerous, reason with " fontal city " famed at the world.

地下泉源众多,故以“泉城”闻名于世。

It drizzled off and on all day.

整日时停时续地下着毛毛雨。

It’s been raining solidly for an hour now.

到现在为止，雨已经不停了一个小时。

Recently they have laid an underground pipeline.

最近他们铺设了一条管道。

When he was doing underground work, he was arrested because a renegade informed against him.

他做工时, 曾因叛徒告密而被捕。

Due to overpumping groundwater, hazard of mantled karst collapse may often take place there.

因过量抽取，造成覆盖型岩溶塌陷灾害。

The secret service operated against the enemy during the war.

在战争期间对敌方展开工。

Coal miners have to work under the ground.

煤矿工人须在工。

My office is a cubby-hole in the basement.

我办公室是在室一个小房间。

An aquifer is a water-bearing rock stratum such as sandstone and chalk.

蓄层是一些有岩石层, 如沙岩和白垩岩。

They burred their treasure under the ground.

他们把财宝埋在.

The understratum, calcareous sandrock and conglomerate rock, generate dissolution of groundwater.

其部钙质砂（砾）岩在用产生溶蚀现象。

She started a chary descent of the stairs.

她开始小心翼翼楼梯。

They caved in the roof of the underground passage with powerful explosives.

他们用强大炸药把通道顶部炸塌陷了。

The river runs through several underground caves which store the water for the city's use.

这条河流经几处贮存城市用蓄池。

Palm celestial being lives in the subterranean coalhole of an old building.

棕仙住在一所老房子煤库。

It is rather damp in the basement.

室很潮湿。

Increased consumption of water has led to rapid depletion of groundwater reserves.

用量增加导致了贮备迅速枯竭。

Old newspapers and magazines are accumulating in the basement.

旧报纸和旧杂志堆放在室中。

The new underground railway will facilitate the journey to all parts of the city.

新铁路将为去城市各处提供方便。

Subterranean springhead is numerous, reason with " fontal city " famed at the world.

泉源众多,故以“泉城”闻名于世。

It drizzled off and on all day.

整日在时停时续着毛毛雨。

It’s been raining solidly for an hour now.

到现在为止，雨已经不停地了一个小时。

Recently they have laid an underground pipeline.

最近他们铺设了一条地管道。

When he was doing underground work, he was arrested because a renegade informed against him.

他做地时, 曾因叛徒告密而被捕。

Due to overpumping groundwater, hazard of mantled karst collapse may often take place there.

因过量抽取地水，造成覆盖型溶塌陷灾害。

The secret service operated against the enemy during the war.

在战争期间对敌方展开地。

Coal miners have to work under the ground.

煤矿人须在地。

My office is a cubby-hole in the basement.

我办公室是在地室一个小房间。

An aquifer is a water-bearing rock stratum such as sandstone and chalk.

地蓄水层是一些有水石层, 如白垩。

They burred their treasure under the ground.

他们把财宝埋在地.

The understratum, calcareous sandrock and conglomerate rock, generate dissolution of groundwater.

其部钙质砂（砾）在地水用产生溶蚀现象。

She started a chary descent of the stairs.

她开始小心翼翼地楼梯。

They caved in the roof of the underground passage with powerful explosives.

他们用强大炸药把地通道顶部炸塌陷了。

The river runs through several underground caves which store the water for the city's use.

这条河流经几处贮存城市用水地蓄水池。

Palm celestial being lives in the subterranean coalhole of an old building.

棕仙住在一所老房子地煤库。

It is rather damp in the basement.

地室很潮湿。

Increased consumption of water has led to rapid depletion of groundwater reserves.

用水量增加导致了地水贮备迅速枯竭。

Old newspapers and magazines are accumulating in the basement.

旧报纸旧杂志堆放在地室中。

The new underground railway will facilitate the journey to all parts of the city.

新地铁路将为去城市各处提供方便。

Subterranean springhead is numerous, reason with " fontal city " famed at the world.

地泉源众多,故以“泉城”闻名于世。

It drizzled off and on all day.

整日在时停时续地着毛毛雨。

It’s been raining solidly for an hour now.

到现在为止，雨已经不停了个小时。

Recently they have laid an underground pipeline.

最近他们铺设了条管道。

When he was doing underground work, he was arrested because a renegade informed against him.

他做作时, 曾因叛徒告密而被捕。

Due to overpumping groundwater, hazard of mantled karst collapse may often take place there.

因过量抽取水，造成覆盖型岩溶塌陷灾害。

The secret service operated against the enemy during the war.

在战争期间对敌方展开作。

Coal miners have to work under the ground.

煤矿人须在作。

My office is a cubby-hole in the basement.

我办公室是在室个小房间。

An aquifer is a water-bearing rock stratum such as sandstone and chalk.

蓄水层是有水岩石层, 如沙岩和白垩岩。

They burred their treasure under the ground.

他们把财宝埋在.

The understratum, calcareous sandrock and conglomerate rock, generate dissolution of groundwater.

其部钙质砂（砾）岩在水作用产生溶蚀现象。

She started a chary descent of the stairs.

她开始小心翼翼楼梯。

They caved in the roof of the underground passage with powerful explosives.

他们用强大炸药把通道顶部炸塌陷了。

The river runs through several underground caves which store the water for the city's use.

这条河流经几处贮存城市用水蓄水池。

Palm celestial being lives in the subterranean coalhole of an old building.

棕仙住在所老房子煤库。

It is rather damp in the basement.

室很潮湿。

Increased consumption of water has led to rapid depletion of groundwater reserves.

用水量增加导致了水贮备迅速枯竭。

Old newspapers and magazines are accumulating in the basement.

旧报纸和旧杂志堆放在室中。

The new underground railway will facilitate the journey to all parts of the city.

新铁路将为去城市各处提供方便。

Subterranean springhead is numerous, reason with " fontal city " famed at the world.

泉源众多,故以“泉城”闻名于世。

It drizzled off and on all day.

整日在时停时续着毛毛雨。