Fluosilicate
[机] 氟硅酸盐
🗣️ 情景例句
Nice to meet you, Dean Rafer.
很高兴见到你， Rafer主任。
The doctor said I looked worried and nervous.
医生说我看起来太忧郁和紧张了。
Could we see the specifications for the X200?
我们可以看一下X200型的详细规格吗？