尼布斯和约翰是大副和二副。

Nibs and John were first and second mate.

youdao

二副： 三副，叫电机员并报告大副。

Second Mate: Call electrician and report to Chief, Third Mate.

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大副： 1舱吊杆不安全，可能影响安全航行，二副，你明天检查一下。

Chief Officer: The derrick boom on hatch No. 1 is not safe, and it may be harmful for navigation. Second, could you check it tomorrow?

youdao