Flex fatig resistance
[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
I've been busy all day.
我今天一整天都非常忙。
He studied quite a lot.
他非常用功。
Yes, that's right. Good!
对，正确，很好！