Massenfilter
[机] 四极质谱仪
🗣️ 情景例句
I'd like you to meet my friend Malcolm Stewart.
我来为你介绍我的朋友Malcolm Stewart。
Let me tell you about our product.
关于产品一事让我向你说明。
You can print the telephone number of your information service in the newspaper.
你可以把你的问讯服务的电话号码登在报纸上。