名词
中文翻译：Unknown
同义词：
['foreign act', 'alien action', 'alien act']
例句：
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1. The alien act of the spacecraft was a mystery to everyone.
太空船的外来行为是一个谜。
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2. The alien act of the astronauts was a testament to their bravery.
宇航员的外来行为是他们勇敢的证明。
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3. The alien act of the criminal was a warning to all.
罪犯的外来行为是对所有人的警告。