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
I have to meet my wife.
我得去接我太太。
Excuse me for a moment, please.
对不起失陪一下。
Coal nodded. OK. I can do that. First, I'll need some information about Clare. For a start, how old was she when her father married again?
科尔点点头。"好吧。这我可以办。首先，我需要有关克莱尔的资料。首先，当他父亲再婚时，她多大岁数了？"