Rnaa
[化] 放化中子活化分析
🗣️ 情景例句
I'm going to show him the photos on Monday morning.
我要在星期一早晨给他看这些照片。
To learn obeying is the fundamental art of governing.
学会顺从是管理的基本艺术。
My name is John Brain.
我叫约翰·布雷恩。