地下

It is rather damp in the basement.

下室很潮湿。

They burred their treasure under the ground.

他把财宝下.

She started a chary descent of the stairs.

她开始小心翼翼下楼梯。

The little girl hid away in the cellar.

小姑娘藏下室里。

It rained incessantly for the whole two weeks.

雨不间断下整整两星期。

The secret service operated against the enemy during the war.

战争期间对敌方展开下工作。

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

棕仙住所老房子的下煤库。

It drizzled off and on all day.

整日时停时续下着毛毛雨。

They built a bomb shelter below ground.

他下修建防空洞。

Coal miners have to work under the ground.

煤矿工人须下工作。

Old newspapers and magazines are accumulating in the basement.

旧报纸和旧杂志堆放下室中。

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。

The excavation of the buried city took a long time.

发掘下的城市花很长时间。

It’s been raining solidly for an hour now.

到现为止，雨已经不停下小时。

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

用水量的增加导致下水贮备迅速枯竭。

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。

My office is a cubby-hole in the basement.

我的办公室是下室的小房间。

Earth with her nether Ocean circumfused.

有下海洋环流的球。

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

下蓄水层是些有水的岩石层, 如沙岩和白垩岩。

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

其下部钙质砂（砾）岩下水作用下产生溶蚀现象。