lingual bar

例句：

1. 1. The dentist useda lingual bar to help thepatient bite down on the tooth.
   牙医使用舌条帮助患者咬住牙齿。
2. 2. Thesinger had to use a lingualbar to keep her lips together during theperformance.
   歌手在表演时不得不使用舌条来保持嘴唇闭合。
3. 3. Thelingual bar was designedto prevent the patient from biting their tongue during the procedure.
   舌条的设计是为了在手术过程中防止患者咬到舌头。