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[化] 示踪原子
🧩 词语组成解析
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['treisə]
n. 追踪者，描图者，（铁笔等）绘图工具;
🗣️ 情景例句
I love parades.
我爱看游行。
I won't embarrass myself by calling Mr. Lee by another's name.
我不想因为张冠李戴使自己难堪。
Sam and I had lunch together today. We went to a restaurant.
我和萨姆今天一起吃的午饭。我们去了一家饭店。