receding

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 bartender had a florid face and a receding hairline.
  酒吧男招待面色红润，前额有点脱发。
  
• Dealers grew concerned over the sliding dollar and receding prospects for economic recovery.
  交易者对美元走软和经济复苏前景渐趋暗淡渐渐担忧起来。
  
• His chin was not protruding heroically but slightly receding.
  来自P. Roth
• However, receding glaciers do not grind anything with force.
  来自SA
• Thailand's historic floods are now slowly receding.
  来自VOA