Massenfilter
[机] 四极质谱仪
🗣️ 情景例句
We all have the same 168 hours per week, it's what you do with them that counts.
我们每个人一周里都有 168 个小时，就看你怎么利用。
Would you mind opening the window?
你介意开窗吗？
It's to the north of England; it's part of Britain.
它位于苏格兰的北部，是不列颠的一部分。