井的用法和样例：
例句
-
井都乾了。
The wells ran dry. -
【谚】井干方知水可贵。
We never know the value of water till the well is dry. -
【谚】井底之蛙，所见不广。
The frog in the well knows nothing of the great ocean. -
按现在的消耗速度，三十年左右现在的油井就会干涸。
The oil wells will all run dry in thirty years or so at the present rate of use. -
你愿意从井里打桶水吗？
Will you carry a pail of water out of the well? -
井干涸了。
The well had gone dry. -
警察在一口废弃的井里找到了丢失的财宝。
The police found the lost treasure in an abandoned well.
