diacoustic的音标：diacoustic的英式发音音标为：['daɪə'ku:stɪk]diacoustic的美式发音音标为：['daɪə'kustɪk]...

adj.折声的...

diacoustics的音标：diacoustics的英式发音音标为：[daɪæ'ku:stɪks]diacoustics的美式发音音标为：[daɪæ'kustɪks]...

折声学...