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submarine

形容詞[C] 可算名詞

複数形: submarines

This term carries a heavy association with stealth, isolation, and high-pressure environments. It evokes a sense of hidden power and strategic secrecy, often linked to military operations or deep-sea exploration where visibility is zero and survival depends on mechanical integrity.

Countable when referring to the individual vessels used by navies or research teams.

意味

名詞

A vessel capable of operating underwater.

"The submarine dove to a depth of 300 meters."

形容詞

Existing, operating, or situated under the surface of the sea.

"Researchers discovered a submarine volcanic chain."