appeared

9 篇文章
first appeared in the age of dinosaurs...
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first appeared in the age of dinosaurs... 最早出现在恐龙时代

dinosaurs appeared age first of in the
Simple feather-like structures first appeared back in the Triassic.
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Simple feather-like structures first appeared back in the Triassic. 简单的类似羽毛的结构 最早出现在三叠纪

feather-like triassic appeared simple structures back first in the
the ultimate flying insects first appeared back in the ancient swamps.
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the ultimate flying insects first appeared back in the ancient swamps. 最终能够飞行的昆虫 最早出现在古代沼泽中

appeared ultimate flying back ancient swamps insects first in the
They first appeared more than 400 million years ago
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They first appeared more than 400 million years ago 它们最早出现在四亿多年前

appeared than million more first they ago years
there appeared in the ice a vein of blue.
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there appeared in the ice a vein of blue. 冰中出现了一条蓝色血管

vein appeared blue ice of in the there a
The first spark appeared four billion years ago.
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The first spark appeared four billion years ago. 第一丝火花出现在40亿年前

spark appeared first four the billion ago years
And rivers appeared.
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And rivers appeared. 从而形成了河流

appeared rivers and
Appeared around four billion years ago,
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Appeared around four billion years ago, 起源于四十亿年前

appeared around four billion ago years
A new habitat has appeared,
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A new habitat has appeared, 一个新的栖息地已经出现

appeared habitat new has a
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