Radiolabel
vt.[化]用放射性同位素给…示踪或做标记
🗣️ 情景例句
If I don't accept her offer,
假如我不接受她这个工作机会，
I have no idea about it.
我一点都不知道。
That's the doorbell, said Ann's mother. They're here!
“门铃响了，”安的母亲说。“他们来啦！”