苔原地带的艰苦生活能作为杀婴行为的借口吗？
例如，有的文化认可杀婴行为，而有的却不是这样。
It is true, for example, that some societies approve of infanticide while others do not.
雄鼠有时候会吃掉他的幼崽而不是养育它们，因此对于研究那些不存在杀婴行为的物种来说是，老鼠不是一个好的模型。
Male rats sometimes eat their young rather than nurture them, which makes them a poor model for studying how fatherhood affects the brains of species that frown on infanticide.
对于残杀婴儿的行为，人们的感觉是一样的。
I don't think people vary in their feelings about baby killing.
看看这支球队的年龄，这种行为可以定性为虐杀婴儿。
Given the young age of the team, it would have ranked almost as infanticide.
看看这支球队的年龄，这种行为可以定性为虐杀婴儿。
Given the young age of the team, it would have ranked almost as infanticide.
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