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first mate的英文翻譯是什么意思，詞典釋義與在線(xiàn)翻譯：
英英釋義
Noun:
-
the officer below the master on a commercial ship
first mate的用法和樣例：
例句
- At thirty, he signed on as first mate with a cargo ship.
他30歲時(shí)受雇于一艘貨船當了大副。 - The first mate was studying to become a master.
大副正在學(xué)習準備當船長(cháng)。
