jettison
发表于 2025-3-28 15:11:14
Some basic concepts,ore recently, the same approach has been fruitfully adopted in the study of mammalian behaviour, particularly by German zoologists and a very considerable body of factual information has already been amassed. Although new information is still coming in at an ever increasing rate, it seems worth whil
让空气进入
发表于 2025-3-28 19:53:01
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TRACE
发表于 2025-3-29 01:32:48
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Heretical
发表于 2025-3-29 06:31:14
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复习
发表于 2025-3-29 08:00:53
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夹克怕包裹
发表于 2025-3-29 14:13:45
Threat and appeasement,on will be taken. One may distinguish an offensive from a defensive threat: the former carries a message whose equivalent is “If you do not retreat, I will attack you”; the latter means “I am not about to launch an attack, but if you take the offensive, I will retaliate”. The function of the threat
公司
发表于 2025-3-29 16:05:21
Amicable behaviour,e stability of a social group, however, does not depend solely on the fact that outsiders are attacked but within the group aggression is limited and controlled. There exist also types of socially positive, friendly or amicable behaviour. In addition to postures, expressions and sometimes vocalisati
Tailor
发表于 2025-3-29 20:46:08
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试验
发表于 2025-3-30 00:39:06
Parent and child,ring: the young must be able to locate the milk supply and to suck once they have found it, while the mother must behave in such a way as to facilitate their doing so. Maternal care, however, usually goes much further than the mere provision of the infant’s first food. Commonly the mother not only f
enmesh
发表于 2025-3-30 04:47:22
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