The Million-Year Picnic 百万年郊游
iti-oku-nen one hundred million year 一亿年
Japan Scientists Find Million-Year-Old Ice 日本科学家在南极洲发现了有百万年历史的冰
Year of a Million Dreams 百万梦想年
million-a-year 是什么意思及反义词
A Million Light Year 一万光年
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。
He came across the jawbone of a 4.5 million-year-old marsupial.
他偶然发现了一个450万年前的有袋动物的颌骨。
One interpretation regarding the absence of fossils during this important 100-million-year period is that early animals were soft-bodied and simply did not fossilize.
关于在这一亿年的重要时期中没有化石,有一种解释是,早期的动物是软体动物,根本不会变成化石。
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。
Aluminum is 25 million tons per year for the whole planet.
铝的产量为每年2500万吨,全世界。
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