Riccitensor
缩并的曲率张量
🗣️ 情景例句
I had the appointment written on my calendar and was looking forward to the occasion.
我早已把这个约会写在我的日历上而且一直期待着这一时刻。
Be swift to hear, slow to speak.
多听少说。
We'd better take it up with them, in that case.
如果是那样，我们最好向他们提出来。