网络释义专业释义
... 把…制成make…into 4000万年前 over four thousand years ago （责任编辑：jinxiao） ...
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欢迎访问科学通报 yclocheilus jii)的基部位置. 松散分子钟估算表明, 金线鲃属起源于晚中新世, 在11百万年前(million years ago, Ma)左右, 比以前设想的要古老. 2008 Vol. 53 (13): 1560-1569 [摘
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... ten thousand year calendar 万年历; 万年历 ten thousand years ago 万年前; 万年前 tens of thousands 数以万计; 数以万计 ...
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双语例句原声例句
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有人提出哺乳动物是在6 500万年前取代恐龙的。
It has been suggested that mammals took over from dinosaurs 65 million years ago.
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2000万年前，爱达荷州不像现在这样干旱。确切地说，它那时温暖潮湿，生长着茂密的原始森林。
Twenty million years ago, Idaho was not the arid place it is now. Rather, it was warm and damp, populated by dense primordial forest.
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据说恐龙是生存在200万年前。
It is said that dinosaurs were living in 200 million years ago.
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And by the time I'm a million, I no longer remember what I was doing when I was a lad of 500,000.
等我活到一百万年，我不记得,50万年前做过什么。
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