boat是可数名词；
boat
n.小船;汽艇;舟;(泛指)船；
复数： boats；
例句：
The boat was going under fast.
小船正迅速下沉。
He had a new car and a boat.
他有一辆新车和一条船。
The boat lay under several feet of water.
那条船沉在水下好几英尺处。
The boat struck a solid wall of water.
船撞上一道水幕。
You can take a boat trip along the coast.
你可以乘船沿海岸旅游一趟。
温馨提示：
