名词
中文翻译：潜水艇
同义词：
['submersible', 'submarine', 'submarine-type vehicle']
例句：
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1. The submarine was launchedinto the ocean to search for the losttreasure.
这艘潜艇被发射入海，寻找失落的宝藏。
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2. Thesubmarine'srelative surfacing is a fascinatingphenomenon that scientists are still trying tounderstand.
潜艇相对浮出水面的现象是科学家们仍在试图理解的迷人现象。
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3. Thesubmarine's relative surfacinghas been studied extensively in recent years,and new theories have emerged.
近年来，对潜艇相对浮出水面的研究非常广泛，新的理论已经出现。