环境中的重金属离子难以被微生物降解，通过生物链的累积进入人体，严重威胁着人们的身体健康及生命安全。
Heavy metals in the environment are difficult to degrade, which can be accumulated into the human body through the food chain, leading a serious threat to people's health and life.
环境中的重金属离子难以被微生物降解，通过生物链的累积进入人体，严重威胁着人们的身体健康及生命安全。
Heavy metals in the environment are difficult to degrade, which can be accumulated into the human body through the food chain, leading a serious threat to people's health and life.
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