水井

例句：

1. 1. The old man is digging a water well in the yard.
   老人正在院子里挖水井。
2. 2. The children are playing in the well after school.
   孩子们放学后在井里玩耍。
3. 3. The well is deep enough to hold a lot of water.
   这个井很深，能装很多水。