1. 退回;后退;远离
    If something recedes from you, it moves away.

    e.g. Luke's footsteps receded into the night...
           卢克在夜色中渐行渐远。
    e.g. As she receded he waved goodbye.
           她离开的时候他挥手告别。

2. （质量）下降;（问题或疾病等）逐渐减弱，好转
    When something such as a quality, problem, or illness recedes, it becomes weaker, smaller, or less intense.

recede的近义词

    e.g. Just as I started to think that I was never going to get well, the illness began to recede...
           正当我开始觉得自己永远都好不了了的时候，我的病开始好转了。
    e.g. 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。

3. （前额的头发）脱落
    If a man's hair starts to recede, it no longer grows on the front of his head.

    e.g. ...a youngish man with dark hair just beginning to recede...
           前额黑发刚开始脱落的年轻人
    e.g. 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。

4. （常指牙龈因为感染）萎缩
    If your gums start to recede, they begin to cover less of your teeth, usually as the result of an infection.

    e.g. 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。
    e.g. 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。