laryngoscopy       
noun [ C or U ]  medical specialized uk/ˌlær.ɪŋˈɡɒs.kə.pi/ us/ˌler.ɪŋˈɡɒs.kə.pi/
 喉镜检查
an examination of the throat, including the parts that create the voice, using a long thin tube
  My doctor sent me for a laryngoscopy. 医生让我做喉镜检查。 
 Laryngoscopy was performed using a standard length laryngoscope. 使用标准长度喉镜进行喉镜检查。 
 - More examples
 - A laryngoscopy takes about 15 to 30 minutes.
 - She had a laryngoscopy and biopsy.
 - Direct laryngoscopy is done with the patient lying on his or her back.