A second mate (2/M) or second officer is a licensed member of the deck department of a merchant ship holding a Second Mates Certificate of Competency, which is issued by the administration. The second mate is the third in command (or on some ocean liners fourth) and a watchkeeping officer, customarily the ship's navigator.
例句与用法
1.
After giving a call to the second mate i returned on deck for my relief . 我去唤醒二副后便回到甲板上等他换我的班。
2.
He had , from his second mating , a baby girl 他第二次结婚后得一女孩。
3.
Scientists hope that their second mating season will be more successful than the first 研究人员希望梅香和天天的第二次交配比起前一次更为成功。