Instantaneous center(of rotation)
[化] (转动)瞬心
🧩 词语组成解析
🗣️ 情景例句
Can you show me how to apply this make-up correctly?
你能告诉我怎么正确地使用这种化妆品吗？
He knows enough that can live and hold his peace.
见多识广者沈默寡言。
She entered the station twenty minutes before the train was due,
在火车进站20分钟前她就进了车站。