Mar 25, 2024 · 大副 chief officer or chief mate(First Mate),C/O,1st mate. 二副 second officer or second mate,2/O,2nd OFF. 三幅 third officer or third mate,3/O,3rd OFF. 驾助 assistant officer,A/O. 实习驾驶员 apprentice officer. 见习生 cadet,CDT. 报务员 radio officer,R/O. 报务主任 chief radio officer. 助理报务员 assistant radio ...