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[医] 示踪元素
🧩 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;
n. 原理, 基础
🗣️ 情景例句
My wife wanted me to say thanks to you for your gift last time.
我妻子要我带她谢谢你上次送的礼物。
We are of the same mind, so let us act quickly.
我们心意一致，所以及早行动吧。
It is as if a single unimportant event set up a chain of reactions.
好像是一件无关紧要的小事引起了一连串的连锁反应。