| 单词 | fluoride |
| 释义 | DEFINITIVE EXAMPLES 权威例句〔mottled enamel〕Discolored and spotted tooth enamel caused by excessive amounts of fluorides in drinking water.斑釉：由于饮用水中含有过量氟化物而引起的无色有斑牙釉美国传统〔prophylactic〕Some dentists are convinced that the addition of fluoride in water is ineffective as a prophylactic treatment.有些牙医坚信在水中加氟化物不是有效的预防措施。剑桥高阶〔proven〕It is a proven fact that fluoride strengthens growing teeth.氟化物可以强化生长中的牙齿，这是已证明的事实。牛津高阶〔supply〕Most urban water supplies in the United States now contain fluoride in varying amounts.现在美国大部分城市供水中都存在含量不一的氟化物。柯林斯高阶Fluoride can help reduce dental decay.氟化物有助于减少蛀牙。剑桥国际Some dentists are convinced that the addition of fluoride in water is ineffective as a prophylactic treatment.有些牙医坚信在水中加氟化物不是有效的预防措施。剑桥国际Some water companies in Britain fluoridate (=add fluoride to) the drinking water.英国的一些饮水公司在饮用水中添加微量的氟化物。剑桥国际This toothpaste contains fluoride to help protect against tooth decay.这种牙膏含氟化物，可以抗牙齿腐蚀。剑桥国际 |
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