您要查找的是不是：
- A vowel sound changed in this manner. 变元音由这种方式改变的元音发音
- primary vowel sound 基本元音
- In this sentence,the vowel sound become reduced to a central vowel. 此句中这个元音弱化为中元音。
- The student was practising making a new vowel sound . 那个学生在练习一个新母音的发音。
- The student was practising making a new vowel sound. 那个学生在练习一个新母音的发音。
- Look at my lip position when I pronounce this vowel sound. 我发这个元音时请看我的唇位。
- Choose the word which has the same vowel sound as the one given. 选出含有所给音标的单词。
- Look at my lip-position when I pronounce this vowel sound. 我发这个元音时，请看着我的唇位。
- The schwa is the most frequent vowel sound in English speech. 在英语中，中元音是最常用的元音。
- In this sentence, the vowel sound become reduced to a central vowel. 此句中这个元音弱化为中元音。
- Listen carefully while I read these vowel sounds. 在我读这些元音时,请注意听。
- Probably even more telling than vowel sounds is vocabulary. 不过，用词比发音可能更说明问题。
- Pay attention to the drills in the English vowel sounds. 注意英语元音发音练习。
- Listen carefully while I'm reading these vowel sounds. 当我读这些元音时,请仔细听。
- The repetition of similar vowel sounds, especially in poetry. 类音，类韵：相同或相似元音的重复，尤其指在诗歌中的重复。
- Jo: You can identify a Hull accent from the vowel sounds. 母音发音。他们的母音发音都是又长又平的。
- A change in a vowel sound caused by partial assimilation especially to a vowel or semivowel occurring in the following syllable. 元音变化尤指因与下一音节的元音或半元音的部分相似而引起的元音变化
- The letter in Old English and some modern phonetic alphabets,representing the vowel sound of Modern English ash. 字符字母'在古英语和一些现代音标中，代表现代英语中的元音ash
- Note the use of the vowel sound in should and must when they are pronounced quickly. 注意should和must中快速发音时元音的发音。
- A compound vowel sound resulting from the succession of three simple ones and functioning as a unit, as(wou)in wow. 三合元音由三个单位的元音相连形成的复合元音，作为一个单元，如wow中的（wou音）
