16 篇文章
The ice began to melt as Earth's orbit shifted once more
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The ice began to melt as Earth's orbit shifted once more 随着地球轨道再次发生变化 冰开始融化

and global temperatures began to rise.
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and global temperatures began to rise. 全球温度开始上升

the warm, wet conditions in which they had thrived began to change.
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the warm, wet conditions in which they had thrived began to change. 曾令它们兴旺发展的暖湿条件 开始发生变化

first began long, long before the asteroid.
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first began long, long before the asteroid. 其实在小行星撞击之前很久就开始了

upwellings of magma began to lift the seafloor...
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upwellings of magma began to lift the seafloor... 岩浆喷发开始抬高海床

other creatures began to exploit the relationship between flower and insect...
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other creatures began to exploit the relationship between flower and insect... 其它生物开始利用 花与昆虫之间的关系

the vast swamps began to disappear.
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the vast swamps began to disappear. 广阔的沼泽开始消失

plants began to battle for the real estate above,
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plants began to battle for the real estate above, 植物开始争夺向上的空间

this thick soup began to rot...
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this thick soup began to rot... 这浓汤般的水体开始腐烂

...as the climate suddenly began to cool...
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...as the climate suddenly began to cool... 气候突然变冷