medical instrument consisting of a magnifying lens and light; used for examining the external ear (the auditory meatus and especially the tympanic membrane) 同义词：auriscope, auroscope,
[- Image of an otoscope (center)]
例句与用法
1.
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。
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