| 单词 | 氟化物 |
| 释义 | 〔cryolite〕An uncommon, white, vitreous natural fluoride of aluminum and sodium, Na3AlF 6, nearly invisible in water in powdered form and used chiefly in the electrolytic recovery of aluminum. Also called Greenland spar 冰晶石：一种罕见的、白色、玻璃状的天然铝和钠的氟化物，Na3AlF 6，以粉末的形式在水中是看不到的，主要用于铝的电解质复原 也作 Greenland spar〔fluoridation〕The addition of a fluorine compound to a drinking water supply for the purpose of reducing tooth decay.加氟化物：为减少牙齿受侵蚀而在饮用水中所加的氟化物〔disinterested〕"disinterested scientific opinion on fluorides in the water supply"(Ellen R. Shell)“对饮用水中氟化物的含量作个公正的科学鉴别”(埃伦R.谢尔)〔apatite〕A natural, variously colored calcium fluoride phosphate, Ca5F(PO 4) 3, with chlorine, hydroxyl, or carbonate sometimes replacing the fluoride. It is a source of phosphorus for plants and is used in the manufacture of fertilizers. 磷灰石：一种自然的，多色的钙氟化物磷酸盐，Ca5F(PO 4) 3，其氟化物成分有时被氯，羟基或碳酸盐所取代。它是植物的一种磷肥并用来制造化肥 〔fluoride〕A binary compound of fluorine with another element.氟化物：氟与其他元素组成的二元化合物 |
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