Riccitensor
缩并的曲率张量
🗣️ 情景例句
Somebody else'll buy it by then.
别人也许买走了。
Yes, but I'd rather not have done it.
是的，但我宁可没有这样做。
He must, for example, perceive an egg as a simple single solid shape,
以鸟蛋为例，观赏者必须感觉到它是一个单一的实体形态，