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
Did you look at them?
你看过了吗？
Cindy's sister will arrive in eight days.
辛迪的姐姐八天后将到。
Beijing will be rainy. The temperature will be 2 to 9.
北京有雨。气温2C~9C。