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。

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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。

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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。

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The show brought seven young people to live together in New York and have their lives videotaped.

VOA: special.2011.08.05

My advice for our young philosopher, or for any young students is to think about the kind of life you want to live and how it can advance the values that are most important to you.

我建议这些年轻的哲学家们，也建议所有的大学生,来思考一下你真正希望的生活,想一想这种生活将如何深化,对你来说最重要的价值观。

普林斯顿公开课 - 人性课程节选

There are a lot of young artists and older artists, too, that live in that area

那里住着很多年轻的艺术家和老一辈的艺术家。

关于SOHO - SpeakingMax英语口语达人

Female pseudoscorpions (who, unlike most arthropods, give birth to live young) exert quite a lot of influence over the process of reproduction.

ECONOMIST: Polyandry

The government is therefore interested in discovering more about the beasts, so as not to kill the shark that lays the golden egg (though one recent finding is that whale sharks, unlike many of their relatives, actually give birth to live young, rather than laying eggs).

ECONOMIST: Whale sharks

The coffin - with the words "Too fast to live too young to die" goes past, followed by several funeral cars.

BBC: Punks old and new bid farewell to McLaren