Fluosilicate
[机] 氟硅酸盐
🗣️ 情景例句
She won the first place in a speech contest.
她在演讲比赛中获得很第一名。
It is lost labour to sow where there is no soil.
没有土壤，播种也是徒劳。
THE UNIVERSE AND MAN-MADE SATELLITES
宇宙与人造卫星