Motivation to learn must come from the child; it cannot be artificially imposed.学习的动力必须源于孩子自身，是不可以人为强加的。Scientists believe the frozen eggs stand a good chance of a pregnancy after being artificially fertilised.科学家们相信冷冻卵子...
Primates are alert, inquisitive animals.灵长目动物是机灵 、 好奇的动物.Consciousness or cerebration has been said to have emerged in the evolution of higher primates.据说意识或思考在较高级灵长类的进化中已出现.The smallest primates in West deciduous forest...