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
Thank you.
谢谢。
Every dog has his day, and every man his hour.
人人都有得意的日子。
I'm not sure. I think he may have to help his Dad in the garden.
我不清楚。我想可能他得帮助他爸爸在花园里干活。