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
and leaving you with the full responsibility of taking care of Max.
还要把照顾Max的全部责任留给你。
See you again.
再见。
I have just received a letter from my brother, Tim.
我刚刚收到弟弟蒂姆的来信，