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This suggests that chimpanzees have themselves evolved significantly .

研究还表明黑猩猩有自己独立的演化方向。

Chimpanzees practice deceptive behaviour too .

黑猩猩也会表现出欺骗行为。

Two baby chimpanzees were infected .

两只婴儿黑猩猩被感染了。

Chimpanzees are a good example of this flexibility .

黑猩猩就是证明这种灵活性的一个很好的例子。

Its immediate ancestor is probably also relatively new to chimpanzees .

它的一个直接祖先也很可能是在黑猩猩那里。