Instantaneous center(of rotation)
[化] (转动)瞬心
🧩 词语组成解析
🗣️ 情景例句
I generally go to bed at ten.
我通常十点钟睡觉。
It's up to you.
由你决定。
At the moment in my country there are very few such schools.
目前在我国这类学校太少了。