Fluosilicate
[机] 氟硅酸盐
🗣️ 情景例句
Studying is a big boring, but it sure beats the unemployment queues.
学习是有点枯燥，但比起失业来好多了。
His ear is wounded, Does it hurt?
他的耳朵受伤了，疼不疼？
What a great teacher!
多么高尚的老师！