Quartz is quartz—a silicon ion surrounded by four oxygen ions—there's no difference at all between two-million-year-old Pleistocene quartz and Cambrian quartz created over 500 million years ago.

石英是石英——由四个氧离子围绕的硅离子——200万年前的更新世石英和5亿年前的寒武纪石英之间没有任何区别。

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What we found in this 52 million year old amber is that the insects contained in it already show close connections to European fauna of almost the same time.

在这块5200万年前的琥珀中我们发现里面包着的昆虫已经跟同时期的欧洲动物群有了紧密的联系。

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A night spent camping on the sand dunes of this three-million year old desert, watching the sky change colors at dusk, is a dream come true for any nature lover.

如果晚上露营在这个有三百万年历史的沙漠上，看着天空随着傍晚的来临不断变幻，如同梦境。

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The small,two-legged creature lived about one hundred-fifty million year ago.

VOA: special.2010.03.16

Because it has been said that each American soilder cost us one million dollars a year Ambassodor is so much cheaper.

有人说一个美国士兵每年要花费一百万美元,相比之下，大使是如此廉价。

普林斯顿公开课 - 国际座谈会课程节选

Aluminum is 25 million tons per year for the whole planet.

铝的产量为每年2500万吨,全世界。

麻省理工公开课 - 固态化学导论课程节选

We estimate Apple will sell 37 million iPads this year and 55 million next year.

FORBES: Amazon Could Fight iPad With H-P Touchpad Pricing Strategy

His current forecast is for iPad unit sales of 32 million this year, and 55 million next year.

FORBES: Apple: iPad Margins Could Be Better Than Street Expects

Car sales in Europe have fallen from around 18.5 million a year before the downturn to an expected 14 million this year.

BBC: Unemployment set to keep on rising, says forecaster