drift development

例句：

1. 1. The boat drifted slowly in the calm waters.
   船在平静的水面缓慢地漂移。
2. 2. The ship drifted far from its destination.
   船远离了它的目的地。
3. 3. The car drifted off the road and hit a tree.
   汽车偏离了道路，撞上了一棵树。