officer of the deck

officer-of-the-deck的词性：
n.（名词）

1. A naval officer assigned to represent the commanding officer of a vessel or an installation for a specified period during which he or she is superior to all officers below the executive officer.
值班海军军官：在一特定时间内，一个被指令代表全船的指挥官的海军军官或就职于一特定时期的海军军官，在此期间除执行军官外，他或她的权力高于所有军官