Until the recent discovery of fossilized sauropod nesting grounds, scientists were thus uncertain whether sauropods laid eggs or gave birth to live young.
因此，直到最近发现蜥脚类恐龙筑巢地的化石之前，科学家们还不能确定蜥脚类动物到底是产卵还是胎生。
Whales are warm blooded creatures and they give birth to live young, just like other mammals do.
鲸鱼们都是热血动物，正如其他的哺乳动物所做的那样，他们给幼崽以生命。
I feel so cool, I want to be a vampire, so I can live young forever, I can also have magic, I can fly and run fast.
我觉得很酷，我想要成为一名吸血鬼，这样我就可以永远年轻，我也可以拥有魔法，可以飞和跑得很快。
Ichthyosaurs also resembled cetaceans in another way: unlike most living reptiles, which lay eggs, they gave birth to live young.
鱼龙和鲸类的另一点相似在于：不像其他目前存活的卵生爬行类，他们胎生生下后代。
Notably, the snake populations studied all give birth to live young (other species like pythons, lay eggs) and are sit-and-wait predators, making them more vulnerable to change in their environments.
值得注意的是，接受数量考察的都是卵胎生种类（另外一些种类，比如蟒蛇，则是卵生）以及静候捕猎的种类，这会让他们更容易受到环境变化带来的影响。
While there are numerous factors behind these shifts, one factor is surely a growing realization for the young that they are going to live longer.
虽然这些变化背后有许多因素，但可以肯定的是其中一个因素是年轻人越发意识到他们将活得更久。
Employed young men are much less likely to live at home than young men without a job, and employment among young men has fallen significantly in recent decades.
有工作的年轻男性与没有工作的年轻男性相比，住在家里的可能性要小得多。而近几十年来，年轻男性的就业率大幅下降。
Generally, young women have had growing success in the paid labor market since 1960 and hence might increasingly be expected to be able to afford to live independently of their parents.
一般来说，自1960年以来，年轻女性在有偿劳动市场上取得的成就越来越大，因此，她们越来越有可能凭自己的能力而不依靠父母生活。
Trees in cities "live fast but die young" compared to forests in the countryside, warns a new study.
一项新的研究警告说，与乡村的森林相比，城市的树木“活得快，死得早”。
Economic factors seem to explain less of why young adult women are increasingly likely to live at home.
经济因素似乎不足以解释为什么越来越多青年女性倾向于住在家里。
It is true of both men and women that those who marry as young adults live longer than those who never marry.
无论男女，年轻时就结婚的人比那些从未结婚的人活得更久。
With the young unable to afford to leave home and the old at risk of isolation, more families are choosing to live together.
由于年轻人无力离家，老人又有被孤立的危险，越来越多的家庭选择住在一起。
For me it's helping young people to live a happy, healthy and productive life.
对我来说，它能帮助年轻人过上幸福、健康和富有成效的生活。
"We decided that in 2018-2019," she said."The importance is clear: to make young people live happy, healthy lives."
“我们在2018-2019年决定这么做，”她说。“其重要性显而易见：让年轻人过上幸福、健康的生活。”
The World Health Organization says self-awareness is one of ten important life skills that help young people live happier, healthier lives.
世界卫生组织表示，自我意识是帮助年轻人过上更快乐、更健康生活的十大重要生活技能之一。
A young boy got to live his life because you did me that favor earlier this morning.
小男孩能活下来是因为你今早帮了我这个忙。
Try to think how your daughter will live on without her dad at a young age.
试想一下，你女儿在很小的时候没有爸爸的生活会是怎样的。
As young people, most of us live with mom and dad. Our community knows us well, too.
作为年轻人，我们大多都和爸爸妈妈住在一起。我们的社区对我们也很熟悉。
Millions of young people fought in World War Ⅱ so we could live in peace.
因为数百万的年轻人在第二次世界大战战斗，所以我们才可以生活在和平。
Firstly, young people from villages usually want to live somewhere livelier and they often move to the towns and do not return.
首先，村里的年轻人通常想住在更有活力的地方，他们常常搬到城镇，不再回来。
It wasn't too much trouble to shovel a driveway, but what I did got a young boy to see his family again, go back to school again and live his life again.
铲车道并不是很麻烦，但我的所作所为让一个小男孩再次见到了他的家人，再次回到学校，重新开始他的生活。
I am thankful for having the opportunity to live with my parents, which not every young American has.
我感到很幸运能和父母住在一起，并不是每个年轻的美国人都有这种机会的。
By tradition, the young bride is expected to live at home until puberty, when a second ceremony transfers her to her husband.
按照习惯，年轻的新娘在青春期前应该住在家里，到第二次仪式时再把她交给她的丈夫。
Many young Spaniards live at home with parents who are themselves jobless and who may well be struggling to pay debts of their own.
许多年轻人跟失业的父母住在一起，而他们的父母可能都难以偿还自己的债务。
Men compete more with each other than females do, because of the male strategy to "live hard, die young 'which means they may invest less in immunity."
男性彼此之间的竞争比女性之间的竞争要激烈得多，因为男性“今朝有酒今朝醉，明日愁来明日愁”的生存策略意味着他们在免疫力上投入较少。
So the Levite agreed to live with him, and the young man was to him like one of his sons.
利未人情愿与那人同住。那人看这少年人如自己的儿子一样。
The young have all moved out. Many live two hours away in the coastal city of Xiamen, where they largely do menial work.
年轻人都搬出去了，很多住在两个小时车程外的沿海城市厦门，大部分在那里从事着卑微的体力劳动。
The young have all moved out. Many live two hours away in the coastal city of Xiamen, where they largely do menial work.
年轻人都搬出去了，很多住在两个小时车程外的沿海城市厦门，大部分在那里从事着卑微的体力劳动。
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