Jack tar 短语 释义与例句 n. 1. Alternative letter-case form of jacktar. 词汇关系 名词 同义词 8 jack tar gob seaman mariner seafarer old salt sea dog 上位词 2 man sailor 下位词 10 officer pilot bosun boatswain whaler bo's'n bos'n bo'sun deckhand roustabout