n.（帆船的）后支索；后部撐物

Located in Jingdezhen, Jiangxi Province, Bailu Bridge is a cable-stayed continuous 3-span harp shaped bridge with a single pylon and a single cable plane and without the backstay. 江西省景德鎮(zhèn)白鷺大橋主橋系三跨連續(xù)獨(dú)塔單索面無背索豎琴式斜拉橋,鋼塔鋼箱梁,塔梁墩固結(jié)。

backstay; a rope or shroud extending from the top of a mast aft to a ship's side or stern to help support the mast 后支索；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

Application of the Rotary Upright Method of Single Backstay in Installing High Heavy Towers 單桅桿回轉(zhuǎn)豎立法在吊裝重型高塔中的應(yīng)用

I had to cling tight to the backstay, and the world turned giddily before my eyes; 我不得不緊緊抓住后支索,只覺得眼前天旋地轉(zhuǎn)。