Labelled atoms
[化] 标记原子; 示踪原子
🧩 词语组成解析
a. 贴上标签的
n. 原子（atom的复数）
🗣️ 情景例句
Happiness is a personal choice.
快乐是个人的选择。
Bet you can't catch me.
打赌你无法捉到我。
Please tell Mr Hu that I am working hard on my Chinese.
请告诉胡先生，说我正在努力学习汉语。