n.挠曲；可挠性
动词flex的现在分词形式.
The tendon had been so skillfully grafted in that the boy was able to flex his finger quite normally after four weeks. 腱的接合手术做得非常高明，那个男孩在四个星期之后，就能相当正常地伸屈他的手指了。
Easily bent or flexed; pliable. 易弯的容易弯曲或折曲的; 易弯的
