对于任何一种猴子来说,拥挤不可能使其像老鼠一样显著地增强攻击性。
It is not likely that, for any species of monkey, crowding increases aggression as significantly as was seen in rats.
1958年,在对一种猴子中出现的痘类疾病的调查中,丹麦哥本哈根的国家血清研究所首次发现了这种病毒。
The virus was first identified in the State Serum Institute in Copenhagen, Denmark, in 1958 during an investigation into a pox-like disease among monkeys.
这是在运河发现的另外一种猴子的相片。
This is a picture of another type of monkey found in the canal.
When monkeys get together to kill and eat somebody they make a kind of a laughing noise and chimpanzees laugh when they tickle each other.
猴子一起猎杀其他动物时,它们会发生出一种笑声,黑猩猩胳肢时也会笑。
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