chemical traces翻译

chemical traces的基本解释

读音: 美: 英:

化学痕迹：指在物体表面或周围发现的化学物质残留或反应产物。

例句

The combs sense textures of surfaces and detect chemical traces of their own species.这些梳状物可以感应表面纹理并探测同类释放的微量化学物质。
chemical traces in the dust allowed the scientists to pinpoint its origins in Mesopotamia.尘土中的化学物质使科学家可以确定它们来自美索不达米亚高原。
Traces of the chemical are often found in mouse and human urine, leading scientists to wonder whether the drug is being made naturally or being delivered by something the subjects consumed.在老鼠和人的尿中经常可发现这种化学品的痕迹，科学家们不知道这药物是自然产生的还是从实验对象使用的某种东西中带来的。

短语

chemical solution traces 化学溶蚀痕迹
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