Its legs are modified for bouncing and its eyes stick out from the sides of its head, so it can look while it leaps.
它的腿部做了适合跳跃的改良,而侧头部突出的眼球帮助它在跳跃时也能看清东西。
We've turned the notion of natural selection on its head. Nature isn't the only force that picks the genes that stick around - we're doing it too.
我们已经将自然选择的概念从头进行转变。自然并不是选择待选基因的唯一力量-人类也能对基因进行选择。
A turtle that can't stick its legs and head out of its shell won't make it to the next pond.
龟的不能拘泥于它的腿和头部的外壳你不会让下一个池塘。
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