Tracer atom
[化] 示踪原子
🧩 词语组成解析
tracer
['treisə]
n. 追踪者，描图者，（铁笔等）绘图工具;
🗣️ 情景例句
Too many people take drugs to get high.
好多人吸毒是为了得到一种快感。
One fool makes many.
一人傻，傻大家。
Just take this street round to the right of the castle.
走这条路，拐个弯就到了城堡的右侧。