Oral floor

• 口底

Oral floor的用法和样例：

例句

1. There was a radioopaque particle which was revealed on the right side of the mouth floor from the lower occlusal film in our clinic.
   放射线下颚咬合片检查发现在右口底有不透射线颗粒。
2. The patient had undergone surgery for an oral ranula 15 months previously, without complete excision of the sublingual gland.
   病人曾于一年半前曾接受过口底蛤蟆肿切除手术，但并未完整的摘除舌下腺。