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不过，我们可以排除掉外星人技术这一可能了。
We can probably rule out alien technology, though.
youdao
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没有任何人发现外星文明或技术。
No extraterrestrial culture, or alien technology has ever been uncovered by anyone.
youdao
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没有任何人发现外星文明或技术。
No extraterrestrial culture, or alien technology has ever been uncovered by anyone.
youdao