aegophonyyoudaoicibaDictYouDict[aegophony 词源字典]
"In auscultation of the chest: vocal resonance with a bleating or tremulous quality, occurring especially in cases of pleural effusion", Early 19th cent. From French égophonie from ancient Greek αἰγ-, αἴξ goat + French -phonie.[aegophony etymology, aegophony origin, 英语词源]