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来源:雅诚德英语网
Some people are worried that electromagnetic fields from electric power lines could increase the risk of cancer.
一些人担心电源线的电磁场可能增加患癌症的风险。
Some people are worried that electromagnetic fields from electric power lines could increase the risk of cancer.
一些人担心电源线的电磁场可能增加患癌症的风险。