Fluorosilicate
氟硅酸盐
🗣️ 情景例句
Some music tapes and some blank tapes
带一些音乐带和一些空白带
Don't try judge young people by their appearance.
不要从外表去判断年轻人。
I've been looking forward to visiting your factory.
我一直都盼望着参观贵厂。