topgallant mast

topgallant mast 基本解释

网络  顶桅

重点词汇

• mastn. 桅, 桅杆, 杆 vt. 装桅杆于
• topgallant网络上桅帆

topgallant mast 英英释义

noun

1. a mast fixed to the head of a topmast on a square-rigged vessel

   Synonym:    topgallant