Flex stiffness
[化] 耐屈挠疲劳
🧩 词语组成解析
flex
[fleks]
v. 弯曲（关节）;收缩（肌肉）;显示力量;
n. 弯曲;[电]花线;
🗣️ 情景例句
No, you needn't do that.
不行呀，你不必这样。
I don't want to be lonely the rest of my life.
可我不想余生过得那么孤独。
It is all very well for such things to occur in fiction.
这种事发生在小说中是无可非议的。