Some scientists hypothesize that the monkeys rub their bodies with the millipedes because doing so helps protect them from mosquitoes.
一些科学家猜测，这些猴子用千足虫擦自己的身体，是因为这样做有助于保护它们免受蚊子叮咬。
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Laboratory tests show that secretions from the bodies of these millipedes are rich in two chemicals that are potent mosquito repellents, and mosquitoes carry parasites that debilitate capuchins.