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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
He's a pretty good bloke and he seems very friendly.
他是一个很不错的家伙，看起来也很友善。
Jean's mother warned her that men would try to take advantage of her.
琼的母亲警告她，男人会占她的便宜。
I haven't got much.
我的钱不多了。