单词 wane-cloud 释义 wane-cloud Meteorol.[? f. wane n.1 or v.The sense meant to be expressed by the compound was perh. ‘a cloud in process of waning or becoming smaller’.]A cirro-stratus cloud.1823T. Forster Res. Atmosph. Phenomena i. 6 (ed. 3) 17 Of t...