Fluorescent tracer
[化] 荧光示踪剂
🧩 词语组成解析
fluorescent
[fluə'resənt]
adj. 荧光的;发荧光的;（颜色、材料等）强烈反光的;发亮的;
n. <美口>荧光灯;日光灯;
tracer
['treisə]
n. 追踪者，描图者，（铁笔等）绘图工具;
🗣️ 情景例句
that you are very impressive.
你给人们留下了深刻的印象。
Learn young, learn fair.
学习趁年轻，既学就学好。
It is said that a new policy is being put into practice in your foreign trade.
据说你们正在实施一种新的对外贸易政策。