joint tongue

例句：

1. 1.The joint tongue is responsible for the coordination of speech.
   连接舌头负责言语的协调。
2. 2.The dentist examined her joint tongue and found no signs of decay.
   牙医检查了她的连接舌头，没有发现任何蛀牙的迹象。
3. 3.During sleep, the joint tongue relaxes and allows for easier swallowing.
   在睡眠时，连接舌头放松，使吞咽更容易。