Riccitensor
缩并的曲率张量
🗣️ 情景例句
I'd just like to repeat, do not be late!
我只想重复一遍，别迟到！
Self-confidence is the first requisite to human greatness.
人类的伟大，首要的是要有自信。
So where's your bike today?
那么今天您的自行车在哪里呢？