n. 单母音 〔cf. diphthong〕。 adj. -al ,-ize vt. (把双母音)单母音化。
Example Sentences:
1.
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。
