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- a warship with a streamlined hull designed to operate completely submerged in the sea for long periods, equipped with an internal store of air and a periscope and typically armed with torpedoes and/or missiles潜艇, 潜水艇。
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- a submersible craft of any kind潜水器, 深潜器。
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- N. Amer. a submarine sandwich〈北美〉潜艇三明治。
- existing, occurring, done, or used under the surface of the sea水下的; 水下发生的; 海中的, 海底的：
submarine volcanic activity.
海底火山活动。
派生词