Unit 4 Central Vowels: /&652;/， /з:/， /&601;/
基礎(chǔ)科學(xué)

Unit 4 Central Vowels: /&652;/， /з:/， /&601;/圖片（共3張） :

        IntroductionThere are three central vowels in English: /&652;/, /з:/, /&601;/. In forming the centralvowels,the middle of the tongue is raised toward the dividing line between the hardand soft palates. For /з:/ the tongue rises as high as for /e/, but is ......（本文共 11918 字, 3 張圖）     [閱讀本文] >>