艾滋病被认为起源于非洲，那里的黑猩猩和猿携带了一种类似HIV的病毒，叫SIV(猴免疫缺陷病毒)。
AIDS is thought to have originated in Africa, where monkeys and apes harbor a virus similar to HIV called SIV (simian immunodeficiency virus).
但是胡鲁姆确实知道的是：伊达来自一个时代，在这个时代进化为猴、猿和人类的灵长类族系与另外一群进化为狐猴和懒猴的动物分离开来。
What Hurum did know was that Ida came from a time when the primate lineage that led to monkeys, apes and humans split from another group of animals that became lemurs and lorises.
他说：这个化石是架起高等灵长类如猴、猿、人类和他们更远的亲戚如狐猴之间进化空缺的桥梁。
The fossil, he says, Bridges the evolutionary split between higher primates such as monkeys, apes, and humans and their more distant relatives such as lemurs.
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