Icr
[化] 离子回旋共振质谱仪
🗣️ 情景例句
Do you know when the bus for the Summer Palace leave?
你知道到颐和园的车几点开吗？
I'm gonging to show him how to play bridge.
我正要指点他如何打桥牌。
I'll have to stay at the office.I don't know when I'll finish.
我不得不留在办公室，不知道什么时候才能结束。