分词翻译
凹的英语翻译：
concave; dent; fovea; hollow
【医】 concavity; depression; faveoli; faveolus; fossa; fossae; fovea; hollow
koilo-; lenus; pit; sink; venter面的英语翻译：
face; surface; cover; directly; range; scale; side
【医】 face; facies; facio-; prosopo-; surface
