v.彎曲；伸縮；屈曲

n.花線；彎曲；彈性

You face has 9 muscles beneath your skin that you contort , flex , and move. 你的臉部皮膚下有9塊可以扭曲、彎曲和運(yùn)動(dòng)的肌肉。

The gardeners flexed their muscles and began to dig. 園丁們舒腰展臂后才開(kāi)始挖地。

All the contestants flex their muscles in front of the judgers. 所有的參賽者都在評(píng)審面前展示他們的肌肉。

We wound off a couple of yards of wire for a new lamp flex. 我們解開(kāi)幾碼電線作為新的電燈花線。

While the flexibility of working for yourself can be nice, more and more employers are offering flex time and telecommuting options. 由于為自己工作的靈活性很受歡迎，越來(lái)越多的雇主提供了彈性工作時(shí)間和遠(yuǎn)程工作的選擇。

Flex Agents are used in paints that are applied to flexible components, such as flexible urethane bumpers, to help the paint resist cracking when the urethane bumper flexes. 它常可用于像具有彈性的乙烷作為漆面，它可抑制漆面的裂化，當(dāng)乙烷成分松散時(shí)。

adj.向下彎曲的