or·thop·noea /ɔrˈθɑpnɪə , ˌɔrˌθɑpˈnɪə/ 名詞 端坐呼吸
Or·thop·nœ·a Or·thop·ny n. Med. Specifically, a morbid condition in which respiration can be performed only in an erect posture; by extension, any difficulty of breathing. ◄ ►