然而，黑猩猩是高度濒危物种，而且体型巨大，不易繁殖和养育，费用昂贵，难以作为艾滋病研究动物模型。

However, chimpanzees are highly endangered species, but also a great size, easy breeding and rearing, the cost of expensive, difficult to study as an animal model of AIDS.

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然而，黑猩猩是高度濒危物种，而且体型巨大，不易于繁殖和豢养，费用昂贵，难以作为艾滋病研究动物模型。

However, chimpanzees are highly endangered species, and size large, easy on the breeding and fed, expensive and difficult as the animal model for AIDS Research.

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14%的灵长类物种处于高度濒危状态。

14 per cent of primate species are highly endangered.

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14%的灵长类物种处于高度濒危状态。

14 percent of primate species are highly endangered.

youdao

14%的灵长类物种处于高度濒危状态。

14 percent of primate species are highly endangered.

youdao