The US Food and Drug Administration is proposing a lower concentration level standard for fluoride in bottled water, yet some scientists and environmental groups believe that the proposed limit is still too high and poses a danger to human health https://cnn.it/2Ue3wfd
美国食品和药物管理局提出了瓶装水中氟化物浓度水平较低的标准,但一些科学家和环保组织认为,拟议的限制仍然过高,对人类健康构成威胁https://cnn.it/2Ue3wfd