齿龈

chǐyín

齿龈 — chǐyín

1. gum; gingiva (the soft tissue surrounding the teeth)

   刷牙时要轻柔地清洁齿龈。 shuāyá shí yào qīngróu dì qīngjié chǐyín — When brushing your teeth, gently clean the gums.