Rnaa
[化] 放化中子活化分析
🗣️ 情景例句
I'm just calling to confirm your appointment tomorrow at 3:00 p.m.
我打电话确认明天下午3点你约定的时间。
The plate is dirty, Would you bring me a clean one, please?
这碟子是脏的，请你拿个干净的给我。
I bought some this morning. It's in the fridge.
我今天早晨买了一些。在冰箱里。