49 篇文章
has come from a single invention made less than 140 years ago.
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has come from a single invention made less than 140 years ago. 是由一项历史还不到一百四十年的发明引起的

With less time spent looking for food,there is more time for play.
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With less time spent looking for food,there is more time for play. 觅食时间缩短 使得他们有更多时间可以玩耍

It covers less than 6% of the Earth's surface
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It covers less than 6% of the Earth's surface 它仅占地球表面积的百分之六

there is less and less space for wildlife,
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there is less and less space for wildlife, 野生动植物的生存空间日益减少

provide their young with a rather less precarious start in life.
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provide their young with a rather less precarious start in life. 小鸟的幼年过得安全一些

now, less than three percent of that number remains.
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now, less than three percent of that number remains. 现在,只有不足9000头

Once started the foot long flowers can open fully in less than a minute.
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Once started the foot long flowers can open fully in less than a minute. 长长的花可以在1分钟之内完全展开…

but the cast is less familiar.
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but the cast is less familiar. 但演员们仍不太为人知.

They're pygmy sea horses, the world's smallest, less than two centimeters high.
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They're pygmy sea horses, the world's smallest, less than two centimeters high. 豆丁海马--全世界最小的海马,身长不到两公分

means jungle frogs are less tied to puddles and pools
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means jungle frogs are less tied to puddles and pools 使得树蛙可以摆脱水塘的束缚