名词中文翻译
中文翻译：潜水艇凹陷
同义词：
['submarine indentation', 'submerged depression']
例句：
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1. The submarine was discovered in the depths of the ocean.
这艘潜艇在海洋深处被发现。
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2. The submarine's hull had been severely damaged during the dive.
潜艇的船体在潜水时受到了严重损坏。
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3. The submarine's crew was forced to surface for air after a long underwater journey.
潜艇的船员在长时间的水下航行后被迫浮出水面呼吸空气。