口腔卫生 /kǒuqiāng wèishēng/ angolul

Kínai	Angol
口腔卫生 /kǒuqiāng wèishēng/ noun	oral hygiene(keeping the mouth clean) noun [UK: ˈɔː.rəl ˈhaɪ.dʒiːn] [US: ˈɔː.rəl ˈhaɪ.ˌdʒin]

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