human
adj.人的;显示人类特有弱点的;人本性的;有人情味的;通人情的；
n.人；
例句：
The cost in terms of human life was high.
付出了很大的生命代价。
He's really very human when you get to know him.
你若了解他，就知道他确实很有人情味。
Most of the problems were due to human error.
多数问题都是人为错误造成的。
It's only human to want the best for your children.
为自己的孩子谋求最好的条件是人之常情。
She is best known for her work on the human brain.
她在对人脑的研究方面最为知名。
That is no way to treat another human being.
那绝不是对待他人的方式。
How long can a human being go without sleep?
人不睡觉能活多久？
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