铅是重金属元素，因此食品中铅污染的控制对人体体健康至关重要。
Pollution control of lead in food is very important for people health.
铅是重金属元素，因此食品中铅污染的控制对人体健康至关重要。
Pollution control of lead in food is very important for people health.
第五，监管力度不大，无法从源头控制食品污染。
Fifth, oversight is weak and unable to deal with food pollution at its source.
第五，监管力度不大，无法从源头控制食品污染。
Fifth, oversight is weak and unable to deal with food pollution at its source.
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