Qms
[化] 四极质谱仪
🗣️ 情景例句
We can have somebody come by, but it won't be right away.
我们可以派人去，但现在不行。
Among the blind the one-eyed man is king.
山中无老虎，猴子称霸王。
How long have you been at this school?
你到这学校有多么时间了？