Read Edit View history 齿龈 chǐyín gum Origin Definitions Defs Strokes Stroke Words Sentences Sents Senses Add sense 齿龈/ 齒齦 chǐyín gum noun · the tissue of the upper and lower jaws that surrounds the base of the teeth 齿龈出血可能是牙周病的征兆。 Edit Delete References Add reference No references for this word.
齿龈/ 齒齦 chǐyín gum noun · the tissue of the upper and lower jaws that surrounds the base of the teeth 齿龈出血可能是牙周病的征兆。 Edit Delete