Thus, our picture of Venus at around the time life was getting started on earth is one of warm oceans, probably rich with organic molecules splashing around rocky shores and volcanic vents.

因此，在地球上生命开始的时候，我们所看到的金星是一片温暖的海洋，这片海洋可能富含在岩石海岸和火山口周围飞溅的有机分子。

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Occasionally , a sequence of fossil-rich layers of rock permits a comprehensive look at one type of organism over a long period of time.

偶尔，一个富含化石的岩层序列可以让我们持续并全面地观察一种生物。

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Boxing Day, the 26th of December, got its name from a time when many rich families gave boxes of gifts to poor people who had to work at Christmas.

节礼日是12月26日，起源于圣诞节时期，在这个时期许多富裕家庭会给必须工作的穷人送礼物。

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Four technology giants, three of which are among the most cash-rich corporations of all time in Apple, Microsoft and Google, will tussle with Amazon for supremacy in the tablet market using strategies that overlap in some critical ways but differ fundamentally.

FORBES: As iPad Mini Looms, Tablets Give Tech Giants Headaches

That whole period of time was a very rich history and legacy of compromise.

WHITEHOUSE: Press Briefing

The early evolution of dinosaurs is difficult to unpick, as a rich variety of reptiles were proliferating at the time - and some may even have independently evolved characteristics that are associated with dinosaurs.

BBC: New contender for oldest dinosaur