Tracer technique
[化] 示踪技术
🧩 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
I don't feel that industry should be dictated to by the government.
我觉得那个行业不应该由政府来支配。
A great ship asks deep water.
巨轮寻深水而航行。
How time files! More than a week has passed already!
光阴似箭！已经过了一周多时间了！