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
And you can both benefit financially.
你们俩都获得金钱上的利益。
I woke up early and got up at 6 o'clock.
我早醒来并且在6点钟起床了。
No, it isn't! That's a cat!
不，不在！那是一只猫。