"In this body of water" 是在这片海域上的英文表达。

"Body of water" 是一个抽象术语,可以指任何一个水体,包括河流、湖泊、海洋等。它来自于中世纪拉丁语 "corpus aquae",意思是 "水的身体"。

例句:

The sailors navigated their ship through the vast body of water. (水手们驾驶他们的船穿过这片广阔的海域。)
The island is located in the middle of a crystal clear body of water. (这座岛位于一片清澈的海域的中心。)
The whales migrate to different bodies of water each year. (鲸鱼每年迁徙到不同的海域。)