The graying of brain injury.
在脑损伤老龄化。

Roots of Graying Hair Discovered
头发变白的根源

He had aged consideraBly, graying at the temples.
他老多了，鬓角已开始有白发了。

He had aged considerably, graying at the temples.
他老多了，鬓角以开始有白发了。

agent used to give a silver tint to gray or graying hair.
一种将灰色染成银白色的染剂。

The doctor was in his fifties, graying and distinguished.
那位医生, 五十来岁, 头发花白, 仪表端庄。

A rinsing agent used to give a silver tint to gray or graying hair.
染剂一种将灰色染成银白色的染剂。

Because of being overworked, my mother's hair graying at her temples.
妈妈由于过度操劳，两鬓已经斑白了。

And she had symptoms of dim eyesight, deafness, teeth losing and graying of the hair.
而且老妇眼不花，耳不聋，牙不落，发不白。

Her forehead was made more prominent by her graying hair, which was pulled straight back.
她灰白的头发向后梳的很直，使她的前额更加突出。

His head was bald, with the exception of two graying tufts of hair that arced behind his ears.
秃顶, 只在耳后有一圈灰白头发。

The graying of America has created a whole new industry aimed at people worried about remembering and concentrating.
美国人口的老年化导致了一种新兴产业的出现，它的服务对象正是那些为记忆力衰退、注意力不集中而担忧的人。

So not surprisingly, American men - men with jobs, men who aren't graying, men who like to go bowling - are dyeing their hair more than ever.
所以并不奇怪，美国人--那些职业美国人，那些头发还没有变得花白的人，那些喜欢打保龄的人--比以前更愿意把他们的头发染成其它颜色。