monophthong

monophthong

1. In articulating a Monophthong, the vowel-sound doesn't change in quality throughout the course of a syllable.

发单元音时，在一个音节的发音过程中不改变音质。

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.

发单元音时，在一个音节的发音过程中不改变音质。英语中其他元音均为单元音。例如：

3. Monophthong vowels, compound vowels and nasal terminal vowels as well as the rates of every error type and the causes of the high-rate types have been discussed.

按照单元音韵母、纯元音复合韵母和鼻韵尾复合韵母的分类，统计了三类韵母中的偏误比率，分析了偏误率较高的几类偏误的原因。