Nishimura 's study " implies that age-related graying could be a result of accumulated dna damage , " fisher said .
西村的研究“意味着与年龄相关的花白可能是dna损坏累积的结果,”费舍尔说。
Many people naturally think that graying is a result of the demands of their job .
很多人会自然的认为头发花白是由于他们工作要求的结果。
The world 's second largest economy faces the prospect of a graying population before its economy really takes off , experts say .
世界第二大经济体在它的经济真正起飞前面对着老龄化人口结构的前景,专家说。
This graying of australia will be accompanied by an increase in the number of people with dementia .
随着澳大利亚人口的老龄化,患有老年痴呆症的人数也将会增多。
The world 's population is graying at rate that few foresaw -- and the implications are terrifying .
世界人口正在以惊人的速度老龄化,其影响可谓巨大。
This " graying of america " has helped convince some commentators of the nation 's declining eminence .
一个老龄化的美国相信可以帮助一些评论家确定美国走向下坡。
The woman stood over there , her graying hair pinned up under a worn hat .
那个女人站在那里,灰色的头发盘了起来,上面是一顶破旧的帽子。
What 's worse ( to my critics ) is that my hair is graying .
一些批评者认为更糟糕的是我的头发是灰色的。
In my experience , most students pay little attention to the pronouncements of graying leftist professors .
就我个人经验,大多数学生对头发花白的左派教授的声明不予重视。
The graying of america has made us a very different society --- one in which people have a quite different idea of what kind of behavior is suitable at various ages .