Mesosilicate
焦硅酸盐
🗣️ 情景例句
Rotten weather, isn't it?
天气糟透了， 不是吗？
I asked him to paint it for me, but he wouldn't
我请他帮我油漆，但是他不肯。
Is that an English car?
那是辆英国产的小汽车吗？