海軍基地 hǎijūnjīdì naval base Origin Definitions Defs Strokes Stroke Words Sentences Sents 海军 海軍 hǎijūn noun navy The branch of a country's military forces that fights at sea; typically composed of surface fleets, naval aviation, and marines.基地 jīdì noun base A location used as a foundation for military, industrial, or research activities; a base of operations or a stronghold.