a receding hairline的用法和样例：
- Tom has a receding hairline, ie His hair has stopped growing at the forehead and temples.
- A receding hairline or the arrival of a bald patch can have a dramatic effect on men's confidence and self-image.
- For some, a source of deep anguish is a receding hairline which somehow seems to be a modern malady.
- Does PROPECIA grow hair to replace a receding hairline? If not, does it stop or slow down the recession?
- He has a receding chin [hairline].
他的下颚 [额头的发际] 向后缩 [削] 。