Fluosilicate
[机] 氟硅酸盐
🗣️ 情景例句
Do you understand?
你明白吗？
He will always be a slave who knows not how to earn and save.
不懂挣钱和积财，只能永远当奴才。
Sorry, there aren't any. Would you like some bottles of orange?
对不起，没有了，您要几瓶橙汁怎么样？