And he makes the argument that animal laughter is the basis for human joy.
潘克·塞普在文章中提出的论点是，动物的笑是人类快乐的基础。
He is fitting mice with the human receptor for the polio virus.
他在实验的家属身上装上了人的受体来接受小儿麻痹症病毒。
‘Its toxicity could present a challenge for human exploration, ’ he said.
他说：“这些汞的毒性足可以威胁到人类探月工程的开展。”
‘I see great danger for the human race, ’ he said.
他说：“我看到了人类面临的巨大危险。
He said: 'I see great danger for the human race.
他说：“我看到了人类面临的巨大危险。”
He treated companies as human organisations rather than just as sources for economic data.
他把公司视为人类组织而不仅是经济数据的来源地。
He thought for a moment and realized that they just wouldn't follow a human.
他琢磨了一会儿，他明白了，大雁毕竟是大雁，他不会读懂人类的。
But he does not have human contact for almost the entire day.
但他几乎整天接触不到人。
He never cared for a human creature before.
他从未喜欢过一个人。
But Adam was different, for he was the fountainhead of the whole human race.
但是亚当是不同的，因为他是整个人类的起源。
But he was the quiet type, and reasonably gentle…for a human.
但他性格平静，相当温和……按照人的标准来说。
He was not a model boss or human being, tidily packaged for emulation.
他不是众人尽可效仿的模范老板，或是人类楷模。
That was the price he had to pay for his dignity as a human being.
这是他要赢得做人的尊严必须付出的代价。
But often they just pass by, taking he human traffic signal for granted.
但是在通常情况下司机们会开着车过去，把人体交通标志看作是理所当然的事了。
He was the only human male for miles around (excepting an old handyman).
他是几里内唯一的男人(除了一个干杂活的老人)。
He was the only human male for miles around (excepting an old handyman).
他是几里内唯一的男人(除了一个干杂活的老人)。
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