主题：越来越多的猫科动物生活，以一个成熟的老年生活。

Subject: More and more cats are living to a ripe old age .

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越来越多的猫科动物生活，以一个成熟的老年生活。

More and more cats are living to a ripe old age.

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大多数动物不是出生就成熟的，在出生后他们继续发育。

In that they continue developing after birth, most animals are not born mature.

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它是当地唯一能够咬开成熟的巴西坚果荚的动物。

It is the only animal capable of opening the mature Brazil nut pods.

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人是群居动物；度过了一个轻松的社交夜；不成熟的社交行为。

Human beings are social animals; spent a relaxed social evening; immature social behavior.

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人是群居动物；度过了一个轻松的社交夜；不成熟的社交行为。

Human beings are social animals; spent a relaxed social evening; immature social behavior.

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