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
Where exactly is it?
到底在哪里？
I will take a ship.
我将去搭船。
On Christmas Day, the man still had his right leg in plaster.
圣诞节那天，他的右腿还上着石膏，