Radiolabelling
[化] 放射性标记
🗣️ 情景例句
I still don't understand what you mean.
我还是弄不懂你是什么意思。
A drowning man will catch at a straw.
溺水者见草也要抓；急何能择。
I opened the cupboard door and then stood in front of it petrified.
我打开柜门，站在柜门前一下惊呆了。