gums ['ɡʌmz]

例句:

• Receding gums can be the result of disease or simply incorrect brushing.
  牙龈萎缩可能是疾病导致的，也可能仅仅是错误的刷牙方式引起的。
  
• The bacteria which lurk in rotten teeth and gums.
  来自She
• If untreated, the gums recede, become swollen and bleed.
  如果不进行治疗，牙龈会开始萎缩、红肿和出血。
  
• Thoroughly brush teeth and gums twice daily.
  每天两次彻底刷净牙齿和牙龈.
  
• Chunky yellow teeth they were, and the gums pale pink.
  来自NEWYORKER
• My gums were very swollen and bleeding.
  来自BBC