Instantaneous center(of rotation)
[化] (转动)瞬心
🧩 词语组成解析
🗣️ 情景例句
That doesn't make sense.
那没有意义。
What's done by night appears by day.
若要人不知，除非己莫为。
Does the computer ever make a mistake.?
计算机出错吗？