It’s been raining solidly for an hour now.

到现在为止，雨已经不停下了一个小时。

Recently they have laid an underground pipeline.

最近他们铺设了一条下管道。

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，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.

他们把财宝埋在下.

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

其下部钙质砂（砾）岩在下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.

这条河流经几处贮存城市用下蓄池。

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

棕仙住在一所老房子下煤。

It is rather damp in the basement.

下室很潮湿。

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

用量增加导致了下贮备迅速枯竭。

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.

整日在时停时续下着毛毛雨。

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.

最近铺设了一条地下管。

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

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.

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.

强大炸药把地下通顶部炸塌陷了。

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.

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，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工作。

Coal miners have to work under the ground.

煤矿工人须在地工作。

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.

他们把财宝埋在地.

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

其部钙质砂（砾）岩在地作用产生溶蚀现象。

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地池。

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.

用量增加导致了地贮备迅速枯竭。

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.

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岩石层, 如沙岩和白垩岩。

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（砾）岩地下水作用下产生溶蚀象。

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.

新地下铁路将去各处提供方便。

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

地下泉源众多,故以“泉”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，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.

在战争期间对敌方展开工作。

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.

他用强大炸药把道顶部炸塌陷了。

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，雨已经不停一个小时。

Recently they have laid an underground pipeline.

最近他们铺设一管道。

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.

在战争期间对敌方展开工作。

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。

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

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.

到现为止，雨已经不停下了一个小时。

Recently they have laid an underground pipeline.

最近他们铺设了一条下管道。

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，造成覆盖型岩溶塌陷灾害。

The secret service operated against the enemy during the war.

战争期间对敌方展开下工作。

Coal miners have to work under the ground.

煤矿工人下工作。

My office is a cubby-hole in the basement.

我办公室是下室一个小房间。

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

下蓄层是一些有岩石层, 如沙岩和白垩岩。

They burred their treasure under the ground.

他们把财宝埋下.

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

其下部钙质砂（砾）岩下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.

这条河流经几处贮存城市用下蓄池。

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

棕仙住一所老房子下煤库。

It is rather damp in the basement.

下室很潮湿。

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

用量增加导致了下贮备迅速枯竭。

Old newspapers and magazines are accumulating in the basement.

旧报纸和旧杂志堆放下室中。

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.

整日时停时续下着毛毛雨。

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作。

Coal miners have to work under the ground.

人须在地下作。

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.

地下蓄水是一些有水岩, 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。