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
Hi. Welcome.
嗨， 欢迎你 。
A test pilot needs plenty of nerve.
飞行试飞员需要极大的勇气。
you are conditioned by the conventions of the community to such a degree that it is very difficult to conceive of anything really destructive.
社团的风俗习惯会严格地制约你，使你很难有破坏性的想法。