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
If he weren't so famous, he wouldn't treat others like that.
如果他不是这么有名，他也不会那样对待别人。
He was content that the thing had happened.
这事终于发生了，对此他是满意的。
Do you remember one afternoon ten years ago when I came to your house and borrowed a necklace of yours? Pierre, my husband, was working in a government office. We'd been invited to a ball at the palace so I needed to borrow some jewellery.
10年前的一个下午，我到你家借过一条项链，你还记得吗？我的丈夫比尔当时在政府的一个部门工作。我们被邀请参加一个宫庭舞会，所以我需要借一点珠宝首饰。