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
Just imagine--Marilyn and Richard must be thrilled!
想像得出 Marilyn和Richard一定乐坏了！
The fault of the ass must not be laid upon the packsaddle.
驴子不乖，休怪驮鞍。
Here are the two originals of the contract we prepared.
这是我们准备好的两份合同正本。