otoscope ['oʊtəˌskoʊp]

例句:

• 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.
  
• Method: Using self - tracheal cannula emptying dust was instead of otoscope expanding cavity and tongue spatula.
  方法: 用 自制 的气管插管进行染尘代替耳镜扩大口腔法和压舌板法.