齿龈 (齒齦) chǐyín

chǐyín noun gum; gingiva
Domain: Modern Chinese 现代汉语
Notes: (CC-CEDICT '齒齦')

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齿龈边音清齿龈擦音浊齿龈塞音齿龈音齿龈颤音齿龈近音齿龈闪音清齿龈边擦音浊齿龈擦音清齿龈塞音浊齿龈边擦音齿龈鼻音