His father paused and looked backDthe harsh level stare beneath the shaggy, graying , irascible brows

父亲停了下来，回过头去――在那灰白而又易怒的两道浓眉下面，一双严厉的眼睛直盯看他。

When the graying of Shanghai loomed as a serious problem several years ago, the municipal government lost no time setting up a number of senior citizens’ homes

几年前，上海面临人口老(龄)化问题时，市府及时修建了许多养老院

Old fool, he called himself, glancing away from the small mirror, the graying hair, the wrinkles of amusement and bitterness

老傻瓜!他不禁骂了自己一句，连忙把看着小镜子的眼光转开，不想再看到自己头上灰白的头发，以及那充满悲欢离合的条条皱纹。

Guy Sorman, with his black polo-neck sweater and wavy, graying hair, is many people’s image of the French intellectual.

身穿黑色马球衫，留着灰色波浪发的古依·索尔曼，是许多人心目中的法国知识分子形象。

The possibility of tinkering with the scalp’s genes to prevent the onset of graying gained momentum four years ago when scientists made an albino mouse turn black in one patch

四年前，科学家已经可以使患白化病的老鼠的一小块皮毛变黑，这为研究修补头皮基因来防止头发变灰的可能性提供了动力。

He saw the Justice, a shabby, collarless, graying man in spectacles, beckoning him

他看见头发灰白的治安法官戴着一副眼镜，身着没有衣领的破旧衣服，正示意他过去。

He had aged considerably, graying at the temples.

他老多了，鬓角已开始有白发了。

He’s graying at the temples.

他两鬓的头发正在变得花白。

At middle age, I feel sad to find my eyesight and memory failing, my hair thinning and graying , and myself no longer mentally and physically as fit as when I was young. I often suffer from a nameless loneliness

一到中年，就有许多不愉快的现象，眼睛昏花了，记忆力减退了，头发开始秃脱而且变白了，意兴，体力，什么都不如年青的时候，常不禁会感觉到难以名言的寂寞的情味。

A rinsing 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 old man had graying hair on the temples.

这位老人鬓发斑白。

graying hair

正在变白的头发.

||The scientists said their research could lead to new treatments for stress-related graying in the future.|| Graying hair is just one example of how stress affects the body. New experiments could also be carried out in other areas, as well, the team said. These could include studies to see whether stress can also cause changes in body tissues.

科学家们表示，他们的研究可能会在将来得出与压力有关的头发变白的新疗法。头发变白只是压力影响身体的案例之一。该团队表示，新实验也可以在其它领域进行。其中可能包含检查压力是否还会导致人体组织变化的实验。

A team from America’s Harvard University said the new study is the first to show a clear link between stress and graying hair. The findings were recently published in the journal Nature.

美国哈佛大学的一个团队表示，这项新研究首次证实了压力和头发变白两者之间的明确联系。该研究结果最近发表在《自然》期刊上。

At first, the researchers suspected that an immune attack caused by a stressful event might be targeting the melanocyte stem cells. That theory, however, turned out to be false. The mice lacking immune cells still showed signs of graying hair.

起初，研究人员怀疑是压力事件导致的免疫攻击可能会以黑素干细胞为目标。但是这种理论被证实是错误的。缺乏免疫细胞的小鼠仍然显示出了毛发变白的迹象。

"Graying may actually be a safety mechanism, that’s a cool twist, " Fisher said in a June 9 telephone interview.

“实际上，变白是一种安全机制，一种很不错的变异，”费舍尔在6月9日的电话采访中说。

But Hassan is not some teenage firebrand hurling rocks; he’s a slight, graying scholar committed to peace.

而哈桑并不是那些拿火把掷石头的年轻人，他是一个致力于和平的无名的老成的学者。

Graying of hair is a result of a decreased number of melanocytes, which produce fewer melanosomes.

毛发变灰白是黑素细胞减少的结果，它们产生更少的黑素颗粒。

Surprisingly, this graying of the world is not by any means the exclusive result of programsdeliberately aimed at population control.

奇怪的是，这个老龄化的社会绝不是人口控制规划才会带来的结果。

Japanese farming is a picture of inefficiency, and the rural work force is graying .

日本的农业效率低下，劳动力严重不足。

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。

Even though he’s overweight, graying and a good fifteen years my senior, Goren gets me with his keen insight and incredible intelligence.

虽然他很胖，而且比我大整整15岁，但是他用敏锐的洞察力和惊人的智力征服了我。

His schedule includes stops at facilities for the elderly and he often spoke of issues related to the graying of Japan, a pet topic.

他的日常表一般停留在为老年人准备的设施中，另外他还常常讲到日本老龄化的暗淡前景，这是个受人喜爱的话题。

A way of graying the image of a bitmap and the realization of programming

位图图像灰度化的方法及编程实现

My father, graying but dignified in his red robes, looks right through me to the window, proving his point.

我父亲说。他头发花白，但是穿着红色袍子很是尊贵，目光直接穿过我看向窗户。

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。

A Method of Selective Image Graying

一种有选择的图像灰度化方法

There used to be a graying tower alone on the sea.

曾有灰塔在海边伫立，

China’s graying also requires a cultural shift as the tradition of families caring for aging relatives at home becomes more difficult.

中国老龄化问题也导致某种文化变迁，传统的由家人给老人养老送终的方式越来越难了。

graying out

灰化

tea graying

n.茶叶变暗淡