溯源的英语怎么说
溯源的英文：trace to the source
参考例句：
[*]To trace up the source and inquire into the origin
溯源而上[*]To trace a stream to its source
因流溯源trace是什么意思：
n. 痕迹；踪迹；微量；迹线
v. 追溯；回溯；跟踪，追踪；描绘；探索；沿路走
[*]trace contaminant
残余污染物 [*]They are trying to trace the source of the trouble.
他们正设法找出这件麻烦事的起因。[*]They disappeared without leaving a trace.
他们不见了，没有留下一点痕迹。[*]TOU (Trace Operate Unit)
追踪装置|故障探测装置 [*]We traced the footsteps in the snow.
我们跟踪雪地上的足迹。 source是什么意思：
n. 来源，出处；原始资料；原因；发源地
[*]They are trying to trace the source of the trouble.
他们正设法找出这件麻烦事的起因。[*]Where is the source of the Nile?
尼罗河发源于何处？[*]Is the water polluted at source?
河水是在源头受到污染的吗？[*]We understand that sourcing is not static.
我们明白采购不是一成不变的。 [*]Religion is not the only source of division.
宗教问题并不是分裂的唯一来源。
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