科考船使用先进声纳探测了海沟中一段此前从未被探索的区域。
The research vessel used advanced sonar to plumb a previously unexplored section of the trench.
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解释
plumb 在此指用技术手段测量和探究水体底部的深度。
The research vessel used advanced sonar to plumb a previously unexplored section of the trench.
plumb 在此指用技术手段测量和探究水体底部的深度。