名词
中文翻译：外国对象
同义词：
['foreign object', 'foreign body']
例句：
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1.The police were searching for a foreign object in the park.
警方正在公园里寻找一个外来物体。
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2.The scientist found a foreign object in the sample.
科学家在样本中发现了外来物体。
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3.The robot was programmed to detect and remove foreign objects from the environment.
这个机器人被编程来检测并从环境中移除外来物体。