oral hygiene
o
ˈɔ:
aw
ral
rəl
rēl
hy
haɪ
hai
giene
ʤi:n
jin

“oral hygiene”的英语定义和含义

Oral hygiene
01

口腔卫生, 牙齿护理

the practice of keeping one's mouth and teeth clean and healthy by regular brushing, flossing, and cleaning 
语法信息
有生性状态
抽象
形态构成
复合词
不可数
singular
not gender specific
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