The age, education, and socioeconomic status of these young mothers led to less satisfactory child care.
这些年轻妈妈的年龄、教育状况和社会经济地位导致其子女得不到妥帖的照料。
As we move from the industrial age to the information age, societal demands on our mental capabilities are no less taxing.
随着我们从工业时代过渡到信息时代，社会对我们的思维能力的要求也越来越高。
By contrast, because sedimentation is much less continuous in continental regions, estimating the age of a continental bed from the known ages of beds above and below is more risky.
相比之下，由于沉积作用在大陆地区的连续性要小得多，因此根据已知的上下岩层的年龄来估计一个大陆岩层的年龄风险更大。
Just having a strong teacher for one elementary year left pupils a bit less likely to become mothers as teenagers, a bit more likely to go to college and earning more money at age 28.
仅仅是在小学的一年里有一位优秀的老师，就会让学生们在青少年时期成为母亲的可能性降低一些，而上大学和在28岁时赚更多钱的可能性增加一些。
She still has the energy and sex appeal of a woman less than half her age.
她仍然有着年纪比自己小一半还多的女人的精力和性感。
The researchers noted that the effect of pollution on language ability is even more serious as people age, especially among men and the less educated.
研究人员指出，随着年龄的增长，污染对语言能力的影响更加严重，尤其是在男性和受教育程度较低的人群中。
That is doubly true of the cells in stored blood since red blood cells become less flexible with age, and thus less able to squish into capillaries.
对于储藏的血液细胞而言更是如此，因为红细胞随着年龄的增长而日益失去弹性，因此就越来越难以挤到毛细血管里。
You probably remember that human infants are less developed physically than other mammals of the same age.
你可能还记得，同龄人类婴儿的身体发育不如其他哺乳动物。
Though I desperately wanted to lay blame elsewhere, I finally had to admit that my bad habits had less to do with new-age technology and more to do with old-fashioned procrastination.
尽管我极力想把责任推卸到其他地方，但最终不得不承认，我的坏习惯与新时代的技术没什么关系，而与传统的拖延症关系更大。
A study recently published by Science found that as young as age six, girls are less likely than boys to say that members of their gender are "really, really smart".
《科学》最近发表的一项研究发现，在6岁时，女孩说自己性别的成员“非常、非常聪明”的可能性比男孩小。
Gray wolves have relatively long skulls and one gray Wolf skull is more or less the same as another (age and gender differences notwithstanding).
灰狼有相对长的头骨和一个灰色的狼头骨或多或少与另一个(年龄和性别差异尽管相同)。
Less is more. That's the test for a consumer age.
少即是多，这已为消费者时代所验证。
But women generally have faster blood flow to their brains, causing them to lose less brain tissue as they age.
但是，女性通常血液留往大脑的速度要更快，这使她们年老的时候更少损失脑组织。
As we age, we produce less saliva, which washes away bacteria, so teeth and gums are more vulnerable to decay.
随着我们年老，我们分泌更少能冲洗掉细菌的唾液，因此牙齿和牙龈更容易退化。
Workers in that age group are less likely to be laid off, but those who do lose their jobs tend to be out of work far longer than younger workers.
年龄达到五十五岁的人一般不会被雇主裁掉，但这些人一旦失去了工作，他们再获取工作的可能性就远远小于比他们年轻的求职者。
There seems to be less concern about differences in age, with many bridegrooms in their 50s or 60s or even 70s.
对于年龄差别的关注反而不是很多。很多新郎都已经50多岁，60多岁，甚至70多岁。
The researchers concluded that children quaffing the cocktail containing tartrazine from both age groups were less well behaved than those who had been downing the placebo.
研究者们得出结论：从各不同的年龄组来看，喝过含有柠檬黄的饮料的孩子比起喝过作为安慰剂的饮料的孩子表现得要差。
On the other side of the ledger, teen age girls are less likely to drop out of high school than are teen age boys, and the earnings of high school dropouts are quite low.
另一方面，高中辍学的女性青少年比男性青少年少，并且辍学高中生的收入相当低。
People over age 60 sleep two hours less per night than their younger counterparts.
年龄超过60岁的人相比年轻时每天睡眠时间要减少2小时。
His resurgence owed something to the success with which he concealed his disability, something to an age when journalism was less intrusive than it has since become.
他在政坛上的卷土重来多少来源于他成功地掩盖了自己身陷残疾的事实，同时也得益于当时新闻媒体较少的炒作。
And that is doubly true of the cells in stored blood since red blood cells become less flexible with age, and thus less able to squish into capillaries.
对于储藏的血液而言，情形更是如此，因为红细胞随年龄增长而日益失去灵活性，也就越来越难以挤到毛细血管里。
As we age, these stem cells tend to become less responsive.
随着年龄增长，这些干细胞往往变得不那么活力。
Animals who lived in stressful conditions such as crowded cages had weaker immune systems and a higher susceptibility to heart disease, and died at a younger age than those in less crowded conditions.
居住在拥挤牢笼中的动物，由于环境压力，自身的免疫系统更弱，而且很可能会发生心脏疾病，并且比那些居住在宽敞环境中的动物更容易早死。
For women in the same age group, the difference is less marked but the trend is the same.
在女性中两者的比例的差距虽然较小，但总体趋势还是一样。
Less diseases in old age has to be something most everyone wants.
减少老年疾病已成为最每个人的希望。
A similarly healthy 74-year-old woman could have arteries as young as 53, or 21 years less than her chronological age.
而同样健康的74岁女性其动脉年龄只有53岁，比其实际年龄要低21岁。
Damningly, in many combinations of age and subject, the more help children got, the less well they did.
更为严重的是，如果把年龄和学科联系起来，很多组合都表明孩子们得到的帮助越多，功课就越差。
The highest proportion of cases and deaths occurred in age group less than 1 year followed by that in 1-4 years.
最大部分病例和死亡发生在1岁以下年龄组，其次为1-4岁年龄组。
The highest proportion of cases and deaths occurred in age group less than 1 year followed by that in 1-4 years.
最大部分病例和死亡发生在1岁以下年龄组，其次为1-4岁年龄组。
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