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.是什么意思_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.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句