知识贝壳
知识贝壳
所属栏目：英语语音
When we look at the nature of vowels and consonants in the previous units we can see that one could decide whether a particular sound is a vowel or a consonant on phonetic grounds (in relation to how much they obstructed the airflow) or on phonological gr ......（本文共 2271 字 ） [阅读本文] >>