n.（帆船的）后支索；后部撑物
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. 江西省景德镇白鹭大桥主桥系三跨连续独塔单索面无背索竖琴式斜拉桥,钢塔钢箱梁,塔梁墩固结。
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；从桅杆顶部向船边或船尾延伸以帮助支撑桅杆的绳子或支索
Application of the Rotary Upright Method of Single Backstay in Installing High Heavy Towers 单桅杆回转竖立法在吊装重型高塔中的应用
I had to cling tight to the backstay, and the world turned giddily before my eyes; 我不得不紧紧抓住后支索,只觉得眼前天旋地转。
