bascules

美 　英

• n.【建】(豎旋橋的)活動桁架
• 網(wǎng)絡(luò)豎旋橋的雙翼；開啟橋；活動結(jié)構(gòu)

詞形變化

復數(shù)：bascules  

英漢解釋

n.	1. 【建】(豎旋橋的)活動桁架

英英解釋

n.	1. a counterbalanced device that pivots on a central axis so that the unweighted end rises as the weighted end is allowed to fall 2. a bridge with a roadway that can be raised to allow tall boats and ships to pass through

例句

Despite the complexity of the system, the bascules only took about a minute to raise to their maximum 86 degrees.

只需大約一分鐘的時間，整個吊橋就能上升到其86度角的上限。

Nowadays, the bascules are still operated by hydraulic power, but since 1976 they have been driven by oil and electricity rather than steam.

現(xiàn)在，吊橋仍然在水壓的控制下運作。但從1976年起，其驅(qū)動力已由原來的蒸汽變更成石油和電力。