two symmetry
基本释义
二次对称
实用场景例句
学术讨论
The archaeologist discovered a trepanned skull, suggesting ancient surgical practices.
考古学家发现了一个开颅的颅骨，表明古代存在外科手术实践。
Historical records mention trepan as a method used to treat head injuries in medieval times.
历史记录提到了中世纪用来治疗头部损伤的开颅术。
The trepanning technique was controversial, often leading to infection and death.
开颅技术具有争议性，常导致感染和死亡。
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