medical instrument consisting of a magnifying lens and light; used for examining the external ear (the auditory meatus and especially the tympanic membrane)
例句
用作名词 (n.)
Dr. McEwan fretted irritably as he withdrew the otoscope from old Rudy's ear. 麦克文又愤怒，又烦躁地把耳镜从老鲁迪的耳朵抽出来。
美
['oʊtəˌskoʊp]
