Stiffnesses
(stiffness 的复数) n. 坚硬, 呆板, 刻板\\n[医] 强直, 僵硬
🗣️ 情景例句
Yes, of course.
可以，当然可以。
I have been working too hard; it's time I relaxed.
我太疲劳了，该在这里休息一下。
Yes, it is.
是的，是我的。