Instantaneous axis(of rotation)
[化] (转动)瞬轴
🧩 词语组成解析
🗣️ 情景例句
I think something he can use is the best. A watch or something.
最好是实用的，像手表啦或什么的。
Diamond cut diamond.
强中更有强中手。
Well, I'm afraid we have to go now.
哦，恐怕我们现在得走了。