Instantaneous center(of rotation)
[化] (转动)瞬心
🧩 词语组成解析
🗣️ 情景例句
Should children be allowed to watch violent movies?
小孩可以看暴力片吗？
Fear not the future; weep not for the past.
不要为未来担忧，不要为过去悲泣。
She understood what I was talking about, even though it was the first time we had spoken together.
她理解我的话，虽然我们是第一次在一起说话。