Fluosilicate
[机] 氟硅酸盐
🗣️ 情景例句
Will it take long?
要很久吗？
He did it in no time.
他马上把那事给做了。
'You don't need bookcases at all.You can sit here in your spare time and read the carpet!'
“你根本用不着书橱，空闲时你可以坐在这儿读地毯！”