例句：
1、His eye lit upon a small boat on the horizon.
他無意中看見地平線上有一條小船。
2、The boat was going under fast.
小船正迅速下沉。
3、He had a new car and a boat.
他有一輛新車和一條船。
4、The boat lay under several feet of water.
那條船沉在水下好幾英尺處。
5、The boat struck a solid wall of water.
船撞上一道水幕。