In fact, evolution says that both human beings and monkeys descended from a common ancestor that existed about thirty million years ago.
其实，进化论阐述的是人类和猴子都是同一个祖先的后裔。而这个祖先存在于三千万年前。
Zoologically speaking, human beings belong firmly among the -monkeys and apes.
在动物学中，人类与猿猴和无尾猿被划为一类。
There were no sight of human beings on the island although there were monkeys, wild goats and snakes.
那个岛上虽然有猴子，野羊和蛇，但没有人居住过的痕迹。
The rhesus monkeys have many similar biological characteristics with human beings, being the most important and the ideal advanced experimental animals.
猕猴作为灵长类动物，与人类具有许多极为相似的生物学特性，是生物医学研究中理想的高级实验动物。
The rhesus monkeys have many similar biological characteristics with human beings, being the most important and the ideal advanced experimental animals.
猕猴作为灵长类动物，与人类具有许多极为相似的生物学特性，是生物医学研究中理想的高级实验动物。
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