In articulating a Monophthong, the vowel-sound doesn't change in quality throughout the course of a syllable.
发单元音时，在
个音节的发音过程中不改变音质。
In articulating a Monophthong, the vowel-sound doesn't change in quality throughout the course of a syllable.
发单元音时，在个音节的发音过程中不改变音质。
In articulating a Monophthong, the vowel-sound doesn't change in quality throughout the course of a syllable. The other vowels in English are relatively Monophthongs.
发单元音时，在个音节的发音过程中不改变音质。英语中其他元音
为单元音。例如：
声明：以上例句、词性分类
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