名词
中文翻译：头部开口
同义词：
['headway', 'mouth opening', 'nostril opening']
例句：
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1. The scientist discovered a new way to open the head of a frog.
科学家发现了一种打开青蛙头部的新方法。
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2.The engineer designed a machine that could open the head of a cactus.
工程师设计了一种机器，可以打开仙人掌的头部。
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3.The doctor advised the patient to keep their head open during surgery.
医生建议患者在手术期间保持头部开放。