因为到这个时候开始变成30岁了，她们开始担心变老，头发变灰和皱了。
Because by the time they have turned 30 they start worrying about growing old and developing grey hair and wrinkles.
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。
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.
但据传印度方面暗示说，如果不能由一位灰白头发的年老英国妇女宣布本次英联邦运动会开幕，它愿意由一位头发变灰的半老印度妇女来做这件事。
Yet India is reportedly suggesting that if it can't have an elderly, gray-haired British woman open the Games, it would like a verging-on - elderly, graying Indian woman to do so.
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