She describes the chimps' intelligence, their hunting activities and their sometimes extremely aggressive behavior.
VOA: special.2009.11.18
Obviously with this sort of partitioning of behavior, and activities, and effort, there's not a lot of time leftover for leisure, for development of new technologies and things like this.
显然,采用这样一种,行为,活动及精力的分配方式,自然不会剩下很多时间,用来娱乐,发展技术和改革创新
The activities are said to include drug use,sexual behavior and violence.
VOA: special.2009.02.03
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