释义 |
fluor.ideH5flJE7raId, $5flJ-n [U]a chemical substance sometimes added to water or TOOTHPASTE (=substance for cleaning teeth) in order to help keep teeth healthy氟化物,氢氟酸盐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。
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