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
Let's see ... hotcakes and maple syrup, with scrambled eggs.
让我瞧瞧……烤饼， 枫糖， 还有炒蛋。
The smith is making shoes for a horse while braining his cat.
铁匠在煅马蹄铁时，他的猫听得头铛铛作响。
That's nice dress.It's very smart.
这件连衣裙真好，真漂亮。