Read Edit View history 齿龈 chǐyín gum Origin Definitions Defs Strokes Stroke Words Sentences Sents created sense approved 齿龈/齒齦 · chǐyín · gum 2026/03/04 齿龈 / 齒齦 chǐyín gum 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。 noun created sense Mar 4, 2026, 02:25 AM