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
You are always straying from the subject.
你说话总爱跑题。
There are as good fish in the sea as ever came out of it.
海里的好鱼是取之不尽的。
See you. Bye.
到时候见。再见。