fluoride
美音:[´fluə´raıd
]
英音:[´fluə´raıd
]
n.氟化物
难易程度:
fluoride为短语/超纲词汇
fluoride
/'flɔ:raɪd; [US] 'flʊər-; `fluə,raɪd/
n chemical compound of fluorine 氟化物.
n chemical compound of fluorine 氟化物.
fluoride
n[U]
[Date: 1800-1900; Origin: fluorine]
a chemical which is believed to help protect teeth against decay
[Date: 1800-1900; Origin: fluorine]
a chemical which is believed to help protect teeth against decay
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