Rfms
[化] 射频质谱仪
🗣️ 情景例句
If you aren't busy today, how about lunch?
如果你今天有空的话，吃一顿午饭如何？
My brother wants to learn how to speak Chinese.
我的兄弟要去学中国话。
As he was uncertain about making films with dialogue.
因为他对是否能制作配有对白的电影片没有把握。