长期以来，健康和环保倡导者们一直在敦促美国政府部门加强对报告中提及的11种化学物品的使用管制，并呼吁对化学品的长期影响进行更多的研究。
Health and environmental advocates have long urged US government agencies to tighten the use of some of the 11 chemicals the report cites and called for more studies on their long-term effects.
哪些是化学品、尤其是铅对儿童健康的长期影响？
What are the long-term effects of chemicals on children's health, especially lead?
问：哪些是化学品、尤其是铅对儿童健康的长期影响？
Q: What are the long-term effects of chemicals on children's health, especially lead?
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