Solvmanifold
可解流形
🗣️ 情景例句
We talk about him at dinner time.
我们吃晚餐时总谈起他。
I cannot afford two days off a week.
我忙得无法一星期抽出两天休假。
Sam was sure that the wallet must have been found by one of the villagers, but it was not returned to him.
萨姆确信那钱包一定是被某个村民捡到了，可是却不见有人来送还给他。