请输入您要查询的英文单词:
单词
fluoridation
释义
fluor.i.da.tion
HflJE7rI5deI7F[n, $.flJ-
n [U]
氟化,加氟作用
Is artificial fluoridation really safe?
人为氟化真的安全吗?
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held
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更新时间:2026/1/19 21:02:58