million years ago

Twenty million years ago, Idaho was not the arid place it is now. Rather, it was warm and damp, populated by dense primordial forest

2,000万年前，爱达荷州并不像现在这样干旱。相反，那时的爱达荷州温暖潮湿，有大片的原始森林。

柯林斯高阶英汉双解学习词典

Triceratops are classified under the Cretaceous period around 65 to 145 million years ago.

三角龙被归类在大约65到145百万年前的白垩纪。

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This new photo reportedly shows galaxies from 13.2 million years ago.

据说这张新的照片显示132亿年前的星系。

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Cretaceous period, 145 million years ago, was the age of the dinosaurs.

白垩纪期间，145百万年前，是恐的年。

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It has been suggested that mammals took over from dinosaurs 65 million years ago.

有人提出哺乳动物是在6500万年前取代恐龙的。

《牛津高阶英汉双解词典》

They could be left over from a burst of star formation several million years ago.

它们有可能是数百万年前的恒星暴增所残存下来的。

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Dinosaurs last lived on Earth about 65 million years ago.

最后一批恐龙生活在距今6500万年的地球上。

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South America separated from Africa 200 million years ago.

2亿年前南美洲和非洲分离。

《牛津高阶英汉双解词典》

Then from about 600 to 800 million years ago, multi-celled organisms appear.

然后6亿年到8亿年之前，多细胞生物出现。

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The divergence among those three species occurred about 2~ 6 million years ago.

金丝猴属的分化大约发生在2～6百万年以前。

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I used to go there like a million years ago with my family.

我很久以前常跟家人去的

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just having a great old time five million years ago.

仅仅拥有一个伟大的五百万年前的旧时光。

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South America and Africa separated 200 million years ago.

南美洲和非洲于2亿年前分离。

《牛津高阶英汉双解词典》

Specifically: four, eight, and twelve million years ago, respectively.

具体产生分支的时间分别是：四百万、八百万和一千二百万年前。

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They evolved over 4.4 million years ago among our first ancestors,

这些大脑系统早在440万年前就从人类最早的祖先中演化而来，

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That was like a million years ago.

这事象已经过了一百万年了。

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The human history starts about three million years ago.

人类历史开始于大约300万年以前。

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lived 260 million years ago and looked almost nothing like a modern turtle,

它生活在2.6亿年前，看上去几乎不像现代龟，

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And you know, five hundred million years ago there would be no fish.

这样的话你就知道，5亿年前就不会有鱼。

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Some scientists believe that the first plants to appear on Earth over 500 million years ago probably looked purple, not green.

一些科学家认为,5亿年前出现在地球上的第一批植物可能看起来是紫色的,而不是绿色的。

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Several million years ago, our country was covered by thick forests.

几百万年前，我们的大地被茂密的森林覆盖着。

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Eighty million years ago, dinosaurs ruled the earth.

八千万年前，地球是恐龙的天下。

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A million years ago, a million years ago.

很久以前的事了。

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A million years ago, the species began to overrun the earth.

100万年以前，该物种开始大批出现于地球各处。

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To exist some sixty million years ago.

直到一百五十年以前科学家们才知道有恐龙存在。

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Scientists believe that man diverged from the apes between 5 and 7 million years ago

科学家们相信人类是在500至700万年前由类人猿分化而来。

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A million years ago, there were animals here before man came.

一百万年前，在还没有出现人类以前，这里就有动物。

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Thus humans who lived a million years ago, despite their big brains and sharp stone tools, lived in constant fear of meat-eating animals ．

因此，生活在一百万年前的人类虽然有着巨大的大脑和锋利的石器，却一直生活在对肉食动物的恐惧之中。

高考真题- 2019 江苏 任务型阅读

Twenty million years ago, Idaho was populated by dense primordial forest.

2,000万年前，爱达荷州到处都是茂密的原始森林。

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Various australopithecines existed in South Africa from about three million years ago.

各种不同的南方古猿在三百万年以前就生活在南非。

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