基本解释n.舰(或船)首旗杆同根派生 英汉例句As I went by I see it was a lantern hanging on the jackstaff of a double-hull ferryboat. 漂过时，见到那是一艘双舱渡船，船头旗竿上挂着灯。(ShangHai Jackstaff Project Design Co. ; LTD ) 是一家专业研发和...