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单词 copper lead
例句
英语例句库

Soil geochemical measurement of one ten-thousandth scale indicates that the anomalies of gold, stiver, copper, lead have features of high intensity and well-lapped forms.

1万土壤地球化学测量表明矿区金、银、铜、铅、锌等元素具有强度大,套叠好的特点。

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原声例句
美国历史

Copper, lead, gold, and silver in fabulous quantities were unearthed by the restless prospectors who left no plain or mountain fastness unexplored.

焦躁不安的探矿者挖掘出数量惊人的铜、铅、金和银,他们在平原或山区的每个要塞都进行了勘探。

CNN 10 学生英语 2018年9月合集

The reason, recent testing from fountains or sinks at 24 schools in the district found that water in 16 of them had unacceptably high levels of copper, lead or both.

因为最近对该地区24所学校内的座喷泉和水池的检测结果中,有16所学校的喷泉和水池中铜和铅含量严重超标。

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