Tracer diffusion
[化] 示踪原子扩散
🧩 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
Be careful, I think the neighbors have been spying on us.
小心点，我觉得我们邻居一直在窥视我们。
The following answer is subject to official confirmation.
以下的答案必须再经过正式确认才有效。
In the conversion of saliva into poison, one might suppose that a fixed process took place.
人们可能认为，唾液转变成毒液，其中有固定的程序。