first mate

漢語翻譯

英文解釋：

名詞 first mate:

1. the officer below the master on a commercial ship
   同義詞：mate

例句：

1. At thirty, he signed on as first mate with a cargo ship.
   他30歲時受僱於一艘貨船當了大副。
2. The first mate was studying to become a master.
   大副正在學習準備當船長。