| 单词 | orthopnea |
| 释义 | orthopnea in American English (ɔrˈθɑpniə, ˌɔrθɑpˈniə, -θəp-) noun Pathology difficult or painful breathing except in an erect sitting or standing position Also: orthopnoea Derived forms orthopneic or orthopnoeic adjective Word origin [1650–60; ‹ Gk orthópnoia, equiv. to orthópno(os) breathing upright (ortho- ortho- + pno(e᷄) breath + -os adj. suffix) + -ia -ia] |
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