Activable tracer
[化] 可活化示踪剂
🧩 词语组成解析
a. [化]能被活化的
tracer
['treisə]
n. 追踪者，描图者，（铁笔等）绘图工具;
🗣️ 情景例句
I need to make an appointment with you tonight.
我想今晚约你。
What platform does the train leave from?
这班车从哪个站台开出呢？
I didn't realize how much this meant to you.
我不知道这个对你的意义有这么大。