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。

youdao

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 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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