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
I'll call in the morning and set up an appointment to see him.
我明天早上就打电话给他， 跟他约个时间去看他。
Could all of you take your seats? We need to continue our meeting.
请你们各位就坐好吗？我们要继续开会了。
The young man did not wake up until the bed had struck the ground.
那年轻人直到床撞到地上才醒了过来。