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单词
fluoride
释义
fluoride
fluor
ide
/
ˈflɔraɪd
/
noun
[uncountable]
Etymology
ETYMOLOGY
fluoride
Origin:
1800-1900
fluorine
science
,
chemistry
a chemical that helps to protect teeth against decay
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shoddiness
shoddy
shoe
shoebox
shoehorn
shoelace
shoemaker
Shoemaker, Willie
shoeshine
shoestring
shoestring potatoes
shoetree
shogun
shone
shoo
shoo-in
shook
shook up
shoot
shoot-'em-up
shooter
shooting
shooting gallery
shooting star
shootout
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更新时间:2025/11/16 11:59:15