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
Scientific discoveries are ofter applied to industrial production methods.
科学新发现常应用于工业生产的方法。
That's nice. Where?
好啊，去哪儿了？
is an unfortunate victim of adverse circumstances,
是逆境的牺牲品，