Radiolabel
vt.[化]用放射性同位素给…示踪或做标记
🗣️ 情景例句
I know. I do.
我知道。我会的。
We must arrive there on time.
我们必须准时到那儿。
They all went up some narrow steps into a large room.
他们全都登上这些狭窄的台阶，接着进入一个大房间。