没有人仅随年岁的增长而衰老。
我们是因抛弃理想而衰老。
没有人会因岁月的流逝而衰老，却因有人抛弃理想而老太龙钟。
Nobody grows old merely by a number of years we grow old by deserting our ideals.
我们因为放弃梦想而衰老，我们应该在内心深处保留美好的梦想。
We grow old by giving up our dreams. We should keep a wonderful dream deep in our hearts.
时间碾碎万物，一切都因时间的力量而衰老，在时间的流逝中被遗忘。
Time crumbles things; everything grows old under the power of Time and is forgotten through the lapse of Time.
恐惧死亡是一种明智的进化反应，而衰老却是死亡的必经之路，因此，人们想阻止衰老进程就不足为奇了。
A fear of death is a sensible evolved response and, since ageing is a sure way of dying, it is no surprise that people want to stop it in its tracks.
大多数科学家认为，人体随年龄增大而衰老本身并不是由基因决定的，但延缓衰老的修复机制却是由基因决定的。
Most scientists think the decay of the body by aging is not itself programmed by genes, but the repair mechanisms that delay decay are.
叶片是植物进行光合作用的主要器官，作物产量和品质形成的重要源泉，而衰老是影响叶片功能执行的主要因素。
Leaf plays important roles in yield and quality of crops for its important function in photosynthesis. Leaf senescence seriously blocks its function.
大多数科学家认为，人体随年龄增大而衰老本身并不是由基因决定的，但延缓衰老的修复机制却是由基因决定的。
Most scientists think thedecay of the body by aging is not itself programmed by genes, but the repair mechanisms thatdelay decay are.
一般情况下男性的心脏随着年龄增长而衰老。男性到了70岁时，心脏向全身供血的能力最多可能减少为年轻时的3/4。
The average male heart becomes weaker with age, and by the age of 70 its power to pump blood around the body could have decreased by up to a quarter of its youthful strength.
我们因为放弃梦想而衰老，我们应该在内心深处保留美好的梦想，只要能想到，我们就能做到。停止梦想，我们也就关闭了通向成功的大门。
We grow old by giving up our dreams. We should keep a wonderful dream deep in our hearts. If we can dream it, we can do it. If we stop dreaming, we will close the door to success.
我不知道年轻一代的梦想是什么——某种模糊的乌托邦——而当她憔悴衰老、骨瘦如柴时，她似乎就是这种政治的化身。
I know not what the younger dreams—some vague Utopia—and she seems, when withered old and skeleton-gaunt, an image of such politics.
是的，我想告诉大家，把衰老的过程视作一种积极的体验而不是谈虎色变，要做到这点不容易。
Yes, I am talking about the challenge of turning the aging process into a positive experience rather than a fearful one.
咖喱粉的一个主要成分是姜黄素，而作为一种富含抗氧化剂的物质，姜黄素有助于预防大脑衰老以及维持老年人的认知功能。
A main ingredient in curry powder, curcumin is full of antioxidants that help fight against brain aging and maintain cognitive function as you get older.
生命力随着时间的流失而衰退叫做衰老。
This decline in vigour with the passing of time is called ageing.
与迅速衰老相关联的自由基很容易与包括维持生命所必需的DNA和蛋白质发生反应，而破坏这些DNA和蛋白质，就可能会损伤或杀死细胞。
Free radicals, linked to rapid aging, are highly reactive with other molecules, including vital DNA and proteins, the destruction of which can damage or kill cells.
研究表明这种现象的原因可能是紧张导致的衰老效应，而脸部肌肉的持续松弛可能是长期服用抗抑郁药物的结果。
Research suggests that the reason for this could be the ageing effects of stress, and the persistent relaxation of facial muscles which can be an effect of long term anti-depressant use.
但是俄罗斯被认为是经济快速增长的“金砖四国”之一，而不是衰老僵化的欧洲经济一员了。
But Russia prefers to be judged against other fast-growing BRIC economies rather than an ageing, sclerotic Europe.
相反，如果端粒酶一直保持较高的活力，则端粒的长度就能保持下去，而细胞衰老的进程就会被推迟，这种情形可见于癌细胞：一类属于永生的细胞。
Conversely, if telomerase activity is high, telomere length is maintained, and cellular senescence is delayed. This is the case in cancer cells, which can be considered to have eternal life.
生命力随时间的流失而衰退叫做衰老。
This decline in vigour with the passing of time is called ageing.
而服用抗抑郁药物或体重超标的人衰老速度也较快。
Those who took antidepressants or were overweight also aged quicker.
这些强大的物质，可能会在抗衰老滋润品中被发现。它们因为能减少皱纹和促进皮肤强健而被人们赞誉有加。
These powerful substances, found in some antiaging moisturizers, are lauded for helping reduce wrinkles and improve skin tone.
研究发现，记忆之门会因肌体衰老或其他疾病而关闭，其结果是造成记忆力衰退。
When the switch is turned off by ageing and illness, memories fade.
而服用抗抑郁药物或体重超标的人衰老速度也较快。
Those who took antidepressants or were overweight also aged quicker。
他表示，如果研究结果显示这并不与特定疾病相关，而却在全球有更广泛的影响，这将表明此类基因也许对延缓衰老起到基础性作用。
If it turns out there's no disease-specific relationship, but instead a more global influence, that would suggest these genes may have a fundamental role in slowing the aging process, he said.
科学家近日在距离地球3000光年的地方发现了一对衰老的双星。 据天文学家所言，它们陷入了一支“死亡舞蹈”——这支舞蹈注定会以两者的碰撞而告终，而在碰撞的过程中可能会形成一颗超新星。
A pair of aging stars discovered 3,000 light-years away is locked in a "dance" of death—a union that will end in their collision and a possible supernova, astronomers say.
他表示：在鼠类研究中，人们仅仅清点已死动物的数目，而不会去分析哪些死亡与衰老无关。
In mouse studies, people just count the number of dead animals without asking which deaths might be unrelated to aging, he said.
人类衰老的过程一直被认为是更为复杂，而现在人们认为，人类衰老的过程取决于几个不同的因素，端粒就是其中之一。
The ageing process has since been found to be more complex and is now thought to depend on several different factors, the telomere being one of them.
人类衰老的过程一直被认为是更为复杂，而现在人们认为，人类衰老的过程取决于几个不同的因素，端粒就是其中之一。
The ageing process has since been found to be more complex and is now thought to depend on several different factors, the telomere being one of them.
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