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
It's wonderful for me.
这对我来说太好了。
He is eating a lot.
他吃了很多。
The doctor looked over Mrs Brown very carefully.
医生非常仔细地给布朗夫人作了检查。