topmast 中文意思是什麼
topmast
解釋
【航海】中桅。-
A giddy climb to the topmast
到船中桅的令人頭暈的攀登 -
A platform enclosing the head of each mast of a sailing ship, to which the topmast rigging is attached
桅樓，桅盤帆船上包圍著所有帆頭的平臺，頂桅索具就加結于其上
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