名词
中文翻译：井口
同义词：
['head of well', 'well top']
例句：
-
1.The well head is covered with a layer of gravel.
水井顶部覆盖着一层砾石。
-
2. The well head is where the water comes out of the well.
水井顶部是水从井中出来的地点。
-
3.The well head was damaged during the construction.
在建设期间，水井顶部受损了。