Instantaneous center(of rotation)
[化] (转动)瞬心
🧩 词语组成解析
🗣️ 情景例句
After running through the entire appeals procedure, we've still been knocked bakc.
经过了这么整整一个上诉程序，我们还是被驳了回来。
Every dog has his day.
凡人皆有得意时。
It was your turn to wash them yesterday.
昨天轮到你把它们洗干净。