backstay
音標['b?kstei] 讀音漢語翻譯
n. 後部撐物
英文解釋：
名詞 backstay:
- a stay that supports the back of something
詳細解釋：
back.stay
n.（名詞）Nautical A rope or shroud extending from the top of a mast aft to a ship`s side or stern to help support the mast.【航海】 後支索：從桅桿頂部向船邊或船尾延伸以幫助支撐桅桿的繩子或支索A supporting device at or for the back of something else.後支條：在其它物體後部或為其它物體後部做支撐用的裝置
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