altruistic behavior

基本解释

Such altruistic behavior is one of the noblest attributes of our species.
这样的利他行为是我们人类最高贵的品质之一。
huzhangao.blog.163.com
This is to say nothing of estimations of our altruistic behavior— also exaggerated.
这就是说，对于我们的利他行为的估计没有什么夸大之处。
Until very recently, scientists were hard put to detect altruistic behavior in chimps, at least in laboratory studies of captive animals.
以前，科学家们很难发现黑猩猩的利他行为，至少在对囚禁动物的实验研究中是不易发现的。
huzhangao.blog.163.com

The most altruistic behavior of all, giving your life to help another, can be explained in cold-blooded evolutionary terms.
最利他的行为，就是为他人牺牲自己，这也可以用毫无人情味的进化论来解释。
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And I want to focus particularly on emotions that generate kind or altruistic behavior.
我想特别讲解能让人产生善意,利他主义行为的情感。
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This gives rise to some emotion including emotions that could be viewed as moral emotions, like guilt and anger, and again, grounds altruistic behavior in an evolutionary perspective.
这就产生了情绪,包括被视为道德情绪的情绪，例如内疚和愤怒，再一次，这种对利他行为的解释,也是从进化论的角度出发的。
耶鲁公开课 - 心理学导论课程节选

利他行为
The factors of altruistic behavioral degree are positive interrelated to budget b and friendship index r, negative interrelated to the prices of altruistic behavior and behavioral quantity.
影响利他行为发生程度的因素与行为个体的能力 (收入预算约束 )b、两个体之间敌友指数r正相关 ,与利他行为的价格Pa、利己的行为量Xe反相关。
生物学
利他行为