internal tongue

例句：

1. 1. The doctor advised him to have an internal tongue examination.
   医生建议他做一次内部舌头检查。
2. 2.She was able to identify the internal tongue by listening to the patient's speech.
   她通过听病人的说话声来识别内部舌头。
3. 3.The study found that the internal tongue is responsible for many of the body's functions.
   研究发现内部舌头负责了许多身体功能。