Fluosilicate
[机] 氟硅酸盐
🗣️ 情景例句
Nowadays many people go traveling for the holidays.
下面许多人都在假期里去度假。
What cannot be cured must be endured.
事已无法可救，只得耐心忍受。
Two return tickets to London,please.
买两张到伦敦的往返票。