And bacteria, primitive forms of life, have been seen there.

细菌——一种原始的生命形式——在那里被发现。

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The origin of multicellular forms of life seems a relatively simple step compared to the origin of life itself.

与生命本身的起源相比，多细胞生命形态的起源似乎是相对简单的一步。

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Nothing brightens up a space like other forms of life.

没有任何东西比另一种形式的生命更能照亮一个空间。

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But Professor Bedau says that nobody can be sure about the results of making new forms of life.

VOA: special.2010.07.20

If it's possible, use animals that don't feel pain, or use lower forms of life.

如果可以的话，请使用那些感觉不到疼痛的动物，或者用低级生物。

需要动物实验吗？ - SpeakingMax英语口语达人

There is no one-size-fits-all model of political life but good regimes may come in a variety of forms.

政治生活并没有大小通吃的模式,但好的政体,可能以各种形式存在。

耶鲁公开课 - 政治哲学导论课程节选

But Mars might harbor simpler forms of life, or might have done so in the past.

CNN: Curiosity opening Martian frontier?

Still, extreme conditions or not, it meant that Mars could have been habitable for some forms of life.

CNN: Have a drink on Mars

They are caused by the excretions of extremophiles, microorganisms that prosper in starved conditions most forms of life can't endure.

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