Charles Boutron is an expert on the impact of heavymetals on the environment at the National Center for Scientific Research in France.
查尔斯·布特隆是法国国家科学研究中心的一名专家,研究重金属对环境影响。
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Industrial pollution in our town had supposedly turned students into living science experiments breathing in a laboratory's worth of heavymetals like manganese, chromium and nickel each day.