Labelled atom
[化] 标记原子; 示踪原子
🧩 词语组成解析
a. 贴上标签的
🗣️ 情景例句
Kids today have too much freedom, it's not like the old days.
现在的小孩太自由了，不像以前。
I will work for you.
我会为你工作。
Good morning, Mr. WU:?Here's my homework. I was ill on Monday, so it's late.
吴先生，早上好！这是我的英语家庭作业。我星期一病了，所以迟交。