人工喂养
完全用牛、羊乳或其他代乳品喂养婴儿称人工喂养。
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下一篇:Becky Evans,a psychology graduate student at the University of Liverpool,recently devised a survey for cat owners who think their cats are psychopaths(精神病患者).The survey asks owners to describe the allegedly psychopathic behaviors,and so far they have