rotary drifter

例句：

1. 1. The rotarydrifter is a device used to collectdata from the ocean surface.
   旋转式漂流器是一种用于从海洋表面收集数据的装置。
2. 2.The rotary drifter was designed tostudy the behavior of marine animals.
   旋转式漂流器被设计用来研究海洋动物的行为。
3. 3.The rotary drifter was used tomonitor the health of coral reefs inthe area.
   旋转式漂流器被用来监测该地区珊瑚礁的健康。