口镜

例句：

1. 1.The dentist uses a mouth mirror to examinethe teeth.
   牙医使用口腔镜来检查牙齿。
2. 2. She took a picture of hersmile with a mouth mirror.
   她用口腔镜拍了一张微笑的照片。
3. 3. Thedoctor used the mouth mirrorto check the patient'stongue.
   医生用口腔镜检查患者的舌头。