Instantaneous center(of rotation)
[化] (转动)瞬心
🧩 词语组成解析
🗣️ 情景例句
And it needs your contributions of furniture,
而且也需要你捐献家具，
A chance may come up soon.
一个机会可能会很快出现。
It is good preparation for the world outside schools and universities.
这对走出学校进入社会是一个良好的准备。