A marine is a member of an armed force, for example the U.S. Marine Corps or the Royal Marines, who is specially trained for military duties at sea as well as on land. 海军陆战队士兵
adjective [原级]海洋的,海产的;海运的,海事的
...breeding grounds for marine life. …海洋生物的繁殖地。
noun [专属名词]水兵,海军陆战队士兵;(一个国家的)船舶
At which point did you get into a verbal altercation with the two Marine captains? 在什么情况下你和两个海军陆战队上校发生了口角?