一升茶树含有高达9毫克的氟化物，过量会导致氟骨症，降低骨骼质量，导致疼痛和韧带僵硬。
A litre of teacan contain up to 9mg of fluoride, which in excess can cause skeletal fluorosis, reducing bone quality and causing pain and stiffening of the ligaments.
《饮用水中的氟化物》是世卫组织系列专著之一，这些专著论述对饮用水中的其他化学品的管理，比如砷或微囊藻毒素。
Fluoride in Drinking-water is one out of a series of WHO monographs, which address the management of other chemicals in drinking-water, such as arsenic or cyanotoxins.
这么说是因为一项新研究表明氟化物形成的保护膜比专家们料想的还有薄。
Because a new study shows that fluoride forms a thinner protective shield than experts thought it did.
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