Radioactive tracer method
[化] 放射性示踪法
🧩 词语组成解析
tracer
['treisə]
n. 追踪者，描图者，（铁笔等）绘图工具;
🗣️ 情景例句
She has not indicated how she proposes to react.
她未表示打算做何回应。
He threw a dance for them.
他为他们举行晚会。
Many villagers believe that the tree has already claimed a number of victims.
很多村民相信此树已经害了不少人。