.船舶航海英语词汇Ranks of ships crew(船员职务)crew 船员 captain(master) 船长 chief officer 大副 or chief mate(first mate) second chief 二副 or second mate third officer 三副 or third mate assistant officer 驾助 radio officer(radio 报务员operator, wireless operator) purser (chief purser) 管事,事物长 clerk 事务员 boatswain or bosun 水手长 cassab 副水手长 quartermaste