知识贝壳
知识贝壳
所属栏目：英语语音
The English spoken sounds,like the sounds of any other language,are generallydivided into two main classes: vowel phonemes and consonant phonemes.Vowels are sounds produced without obstruction of the air passage in the mouthbut with the vibration of the v ......（本文共 12019 字 , 2 张图） [阅读本文] >>