Depending on phonetics, it takes one or two frames to form certain letters before sound is spelled.
基于各个语音，这个嘴唇的运动一般需要两帧去做出需要发音字母的嘴型。
It is a book of English phonetics, grammar and usage all in one.
这是一本集英语语音、语法和风俗用法于一体的书。
It's a book of English phonetics, grammar and usage in one.
这是一本英语语音、法和习惯用语结合为一体的书。
The study of Intonation is one of the important problems in phonetics.
语调研究是当前语音学和音系学研究的重要课题之一。
Grammar, phonetics and vocabulary are the three main elements which make up language. Especially, vocabulary is the most important one.
语音、语法和词汇是构成语言的三大要素，其中词汇又是最重要的因素。
The Phonetics book is a supplementary one at the starter's level, while the other three are designed for learners at starter's, elementary and intermediate levels respectively.
《语音篇》为基础阶段辅助教材，其余三篇主干教材依次按基础、初级、中级三个等级设置。
The Phonetics book is a supplementary one at the starter's level, while the other three are designed for learners at starter's, elementary and intermediate levels respectively.
《语音篇》为基础阶段辅助教材，其余三篇主干教材依次按基础、初级、中级三个等级设置。
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