Riccitensor
缩并的曲率张量
🗣️ 情景例句
Where's Mom?
妈妈呢？
Have you seen Mr. Smith recently?
最近你见过史密斯先生吗？
Excuse me. I've lost my cat. Have you seen it anywhere?
打扰了。我的猫丢了，你在哪见过吗？