在地下的用法和樣例：
例句
-
在廣泛研究的過程中發現儲存在地下的水能很好地保持著它的溫度。
In the course of extensive researches it was found that water stored underground kept its temperature well. -
塌方后，有些礦工被困在地下。
Some miners were trapped underground after the collapse. -
那位革命者為避免被捕在地下躲藏了幾個星期。
The revolutionist eluded capture for weeks by hiding underground.
