The speedboat had struck a buoy, but it continued to move very quickly across the water. Both men had just begun to swim towards the shore,when they noticed with dismay that the speedboat was moving in a circle. It now came straight towards them at tremendous speed.

19'

译文：
快艇撞上了一个浮标，但它仍然在水面上快速行驶着。两个人刚开始向岸边游去，就突然惊愕的发现快艇正在转圈行驶，他现在正在以惊人的速度直冲他们驶来。