Oral floor的用法和樣例：
例句
- There was a radioopaque particle which was revealed on the right side of the mouth floor from the lower occlusal film in our clinic.
放射線(xiàn)下顎咬合片檢查發(fā)現在右口底有不透射線(xiàn)顆粒。 - 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過(guò)口底蛤蟆腫切除手術(shù)，但并未完整的摘除舌下腺。
