至于人类该扮演怎样的角色，大家的意见简直就是大相径庭，即使在最基础的层面上也是，
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Expansion of nociceptive withdrawal reflex receptive fields in spinal cord injured humans
脊髓损伤患者伤害性撤回反射感受野的扩大
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Scientists have long used sea urchins to study fertilization and early development in humans.
科学家们一直用海胆来研究受精卵和人类早期形态.
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历史上,人类 、 鲸鱼和海豚被用来作为分裂造物并使之灭绝的武器.
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Its anatomy and evolution shed light on the profound differences between humans and other animals.
脑岛的进化对人类与其他动物的差异产生了重要的作用.
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Many people make a sharp distinction between humans and other animals...
很多人认为人类和其他动物截然不同。
《柯林斯高阶英汉双解学习词典》
The focal point of MKULTRA was the use of humans as unwitting subjects [ without their knowledge ].
MKULTRA的焦点是利用不知情的人类 [ 在他们不知情的情况下 ].
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Vodyanoy generally dislike humans and can only be coerced into servitude with the aid of magic.
湖妖通常并不喜欢人类,也只有依靠魔法才能强迫其为自己服务.
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Some ethicists regard the cloning of humans as a morally unjustifiable intrusion into human life.
一些伦理学家把克隆人类看作是对人类生活道德上的入侵.
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The lives of the earliest humans were already vastly differ-ent from those of other animals.
这些早期的人类的生活,已经大大有别于动物.
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Goose bumps are a vestige from the days when humans were covered with hair.
鸡皮疙瘩是人类全身为毛发覆盖时候的退化器官.
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Penguins don't have any land predators, which may explain why they are usually unafraid of humans.
企鹅在陆地上没有掠食者, 这也许可以解释为甚麽它们通常不怕人类.
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但是, 由于种间组织免疫系统之相互排异反应,从前那些用未经改良之猪器官做之移植试验都失败了.
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Earth has become uninhabitable and the surviving humans are fleeing to Mars.
地球已经变得无法居住,幸存的人纷纷逃离至火星.
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They were uninterested in attacking humans, even in the name of fame.
他们对攻击人没有兴趣, 即使这样做是关乎名誉.
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Many diseases that could harm humans may be both undetectable and harmless in their natural hosts.
许多对人体有害的疾病在它们天然的寄生体中可能既不易被察觉又是无害的.
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