African monkeys infected with the virus that causes simian aids have rarely developed aids .

非洲猴子在感染了猿类aids的病毒后很少发病。

Young males , whether simian or human , prefer toys that can be used actively or propelled in space , and which afford greater opportunities for rough play .

年幼的雄性，不论人类还是猴子都喜欢那些有动力、能运动的玩具，而这些也给他们更多机会做粗犷的活动。

Even fully paid-up members of the enlightenment , people who would not for a moment deny humanity 's simian ancestry , are often sceptical .

即使是完全信赖启蒙运动的人士，这些从不否认人的猿血统祖先的人们，也经常持怀疑论。

The three previously known hiv strains are related to the simian virus that occurs in chimpanzees .

三个已知的hiv病毒菌株都与在黑猩猩身上发现的猿类免疫缺陷病毒（siv）有关。

The finding upsets a widely held scientific belief that chimpanzees , the closest relatives to humans , can get the virus that causes simian aids but without harm .

该发现颠覆了人们长久以来对于人类的近亲黑猩猩能够感染猿类艾滋病的病毒但却并没有任何危害的科学观点。