ear 耳

ear bone 听小骨

ear lobe 耳垂

ear speculum 耳镜

ear stone 耳石

earache 耳痛

eardrops 点耳剂

eardrum 鼓膜

earflap 耳廓

early cancer 早期癌

early cell 未分化细胞

early detection 早期发现

early diagnosis 早期诊断