Cataloid
胶体二氧化硅
🗣️ 情景例句
That's something I'd rather not talk about just now.
这些事我现在不想谈论。
In the kingdom of blind men the one-eyed man is king.
盲人国里，独眼称王。
Nigel is a very lucky man.But his wife isn't very lucky.She usually stays at home!
奈杰尔是个很幸运的人。但他的妻子运气不很好。他总是呆在家里！