内唇 nèichún epipharynx Definitions Defs Origin Strokes Stroke Words Sentences Sents 内唇 內唇 nèichún epipharynx (entomology) the inner part of the labrum, forming the roof of the mouth in certain insects inner lip the inner part of the human lip Frequency Written text 0.009 per million Sources Frequency data BCC Corpus (BLCU)
内唇 內唇 nèichún epipharynx (entomology) the inner part of the labrum, forming the roof of the mouth in certain insects inner lip the inner part of the human lip Frequency Written text 0.009 per million Sources Frequency data BCC Corpus (BLCU)