submedian tooth

例句：

1. 1. The submedian tooth is responsible for grinding the food.
   次中切牙负责磨碎食物。
2. 2.The dentist removed the submedian tooth to save the patient's life.
   牙医拔掉了次中切牙，挽救了病人的生命。
3. 3. The submedian tooth is a crucial part of the human mouth.
   次中切牙是人类口腔中至关重要的部分。