epihyal

例句：

1. 1. The doctor examined the patient's ears and found no signs of infection.
   医生检查了患者的耳朵，没有发现感染的迹象。
2. 2.The musician played a beautiful melody on his violin.
   这位音乐家用小提琴演奏出一首美妙的旋律。
3. 3.The scientist conducted an experiment to test the hypothesis that sound waves could travel through solid objects.
   科学家进行了实验以测试声音波是否能通过固体物体传播的假设。