Riccitensor
缩并的曲率张量
🗣️ 情景例句
She has a high reputation as a writer.
她是个有名气的作家。
I wonder whether he's telling the truth.
我不知道他说的是不是实话。
We always enjoy ourselves, Mum.Bye-bye.
我们总是玩得很开心的，妈妈。再见。