Labeled atom
[化] 标记原子; 示踪原子
🧩 词语组成解析
labeled
['leibld]
[医]标记的，示踪的;
🗣️ 情景例句
It is for me,
对我来说当然足够，
Wasn't he a little bigger than you?
他不是块头比你大一些吗？
Last Tuesday he received a letter from the local police.
上星期二他收到当地警察局的一封信，