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单词 mouth-breathing
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mouth-breathing
mouth-breathing n.
ΚΠ
1890 Trans. Odontol. Soc. 22 75 (heading) On nasal obstruction and mouth breathing as factors in the etiology of caries of the teeth.
1897 T. C. Allbutt et al. Syst. Med. IV. 673 The difficulty in breathing through the nose leads to mouth-breathing.
1942 Science New Ser. 121 12/2 To prevent ‘mouth breathing’..a small celluloid mouthpiece can be held between the lips while the child is reading or studying.
1990 European Jrnl. Orthodontics 12 465/2 Mouth-breathing during the night has been described as a typical feature in individuals with large tonsils.
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