fluoride
noun [ U ] uk/ˈflɔː.raɪd/ us/ˈflɔːr.aɪd/
氟化物
a chemical substance sometimes added to water or toothpaste (= substance for cleaning teeth) in order to help keep teeth healthy
单词 | fluoride |
释义 | fluoride noun [ U ] uk/ˈflɔː.raɪd/ us/ˈflɔːr.aɪd/ 氟化物 a chemical substance sometimes added to water or toothpaste (= substance for cleaning teeth) in order to help keep teeth healthy |
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