The Doctor discovers that the meteorite contains an alien life form.

医生发现陨石中含有一种外星生命形式。

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Superman is, after all, an alien life form. He's simply the eptable face of invading realities.

克里夫·巴克（英国作家，小说大师）：超人终究还是外星生物，他只是个拥有人的总称外表的入侵者。

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Superman is, after all, an alien life form. He's simply the acceptable face of invading realities.

克里夫·巴克（英国作家，恐怖小说大师）：超人毕竟还是外星生物，他只是个拥有人类外表的入侵者。

youdao

The borg is a character in the television show Star Trek: The Next Generation, an alien life form that is part human and part machine.

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It is not yet known if it is male or female, but names being suggested included Snowy, Frosty and Alf - related to the TV character which stands for Alien Life Form.

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It starts as a fifties war-of-the-worlds pastiche: an alien life-form arrives in a meteor and quickly mutates, threatening to destroy Arizona as we know it.

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