a sail (or either of a pair of sails) immediately above the lowermost sail of a mast and supported by a topmast
造句
gaff-topsail
頂帆
fore-topsail
前桅中桅的帆...
近義反義詞
Topka
top
top-slide rest
top-level goal
Top Level School
topogeneous mire
top sphere shaft
top-hat policy
Topfer\\\'s reagent
topological mode
top cylinder cup
top-stem wheel