Unit 9 Affricates /t &643;， d&1248;/
基础科学

        IntroductionAn affricate is a special kind of plosive in which the release of the “stops” isimmediately followed by the corresponding fricative,i.e.,the fricative formed at thesame place in the mouth as the stop. This friction is heard because the organs ......（本文共 7521 字, 2 张图）     [阅读本文] >>