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
he'll be an important decision-maker
他将成为一个重要的决策者
There was a big choice of shops in the small town.
这个小镇上有好多商店可供选择。
His words are strongly impressed on my memory.
他的话深深地铭记在我的心头。