1. She always decried the fickleness of human nature.
    她一直在指责人性的变化无常.

2. Such is human nature, that a great many people are often willing to sacrifice higher pay for the privilege of becoming white-collar workers.
    许多人常常情愿放弃较高的薪水以换取做白领工人的殊荣，此乃人之常情。

3. Say hello and they stare at you in surprise. They don't realize we're human."
    所以当你对他们说‘你好’时，他们就惊恐地看着你。他们根本不知道我们也是人。”

4. Some scientists and popular authors go so far as to suggest that the triangle is a place where beings from outer space hunt human specimens for their "zoos".
    有些科学家和通俗作家居然猜测此三角地带是外星人为他们的"动物园"捕捉人类标本之地。

5. Polly was proud of the fact that every inch of her apartment was touched by human hand at least twice a year.
    波莉房子里的每一寸地方每年至少都要人工清理两次，她为此深感自豪。

6. Medical science faces the challenge of conquering the many diseases which still attack human beings.
    医学界面临着征服那些侵害人体的多种疾病的挑战。

7. Many of the vivid warnings of science-fiction concerning the prospect of human cloning turn out, upon reflection, to be wildly improbable.
    有关克隆人类前景的科幻小说所发出的种种真切的警告，仔细想来却变成了无稽之谈。

8. Most important, human cloning should be governed by the same laws that now protect human rights.
    最重要的是，约束人类克隆行为的，应当是现在保护人权的同一法律。

9. Jane: That´s ridiculous. Jesus was just a human, yet you seem to be fanatical about him.
    珍妮:那很可笑,耶稣只有一个人,然而你似乎对他很狂热.

10. Judges, however wise or eminent, are human and can make mistakes.
    不过，法官们不论多么明智或杰出，毕竟都是人，因此都会犯错误。