114 篇文章
countless species have risen...
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countless species have risen... 无数物种兴起

Today, 10,000 species strong,
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Today, 10,000 species strong, 如今 鸟类有超过一万个物种

...evolving into the 18 different species we know today.
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...evolving into the 18 different species we know today. 进化成 我们今天所知的18个不同的物种

But one species of hummingbird has no need to battle.
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But one species of hummingbird has no need to battle. 但有一种蜂鸟不需要战斗

The asteroid had wiped out three-quarters of all Earth's plant and animal species.
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The asteroid had wiped out three-quarters of all Earth's plant and animal species. 小行星 令地球上四分之三的动植物物种灭绝

there had been hundreds of ancient species living in the trees,
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there had been hundreds of ancient species living in the trees, 树上居住着数百种古老的物种

Today, there are more than 3,000 species of snake.
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Today, there are more than 3,000 species of snake. 如今世界上有超过3000种蛇

Competition between these rival species
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Competition between these rival species 这些对手物种之间的竞争

there were more species on land than in the oceans.
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there were more species on land than in the oceans. 这在地球历史上是第一次

than all other plant species combined.
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than all other plant species combined. 比其它所有植物物种的总和多十倍