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。
Here's what scientists think happened, oh, about a hundred million years ago.
科学家们如是说:约一亿年前,有这么一个三恒星系。
Thirty years ago, there were half a million deaths from childbirth each year.
30年前,每年分娩死亡的产妇达50万人。
About 300 million years ago, this was a Marine salt layer.
约三亿年前,这种盐层曾是海洋。
SOME 16 million years ago, north became south in a matter of years.
万年前,北方在短短数年内变成南方。
SOME 16 million years ago, north became south in a matter of years.
万年前,北方在短短数年内变成南方。
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