外耳

（先天性）闭锁，无孔正常的身体孔或管道，如肛门、肠或外耳道的缺失或闭合

external diameter

dorsal nasal artery, external nasal artery; 又称“鼻外动脉”。

external auditory

blood ejection and spontaneous external bleeding

TRUE external heat

external input to on-line test【计】

Yangke Xinde Ji; Experience Gained in Treating External Diseases

external angle to cove skirting