1.In articulating a Monophthong, the vowel-sound doesn't change in quality throughout the course of a syllable.
单元音时，在个音音过程不改变音质。
2.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.
单元音时，在
个音
不改变音质。
表达内容亦不代表本软件
观点；若
现问题，欢迎向我们指正。
他元音均为单元音。例如：
