知識(shí)貝殼
知識(shí)貝殼
所屬欄目：英語(yǔ)語(yǔ)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 ） [閱讀本文] >>