Is a diphthong, and therefore is not divided.
是双元音，故不能分开。
All vowel and diphthong sounds in English are voiced.
所有英语元音和双元音都是发声的。
In articulating a Diphthong, the vowel-sound glides from one vowel to another, such as.
发双元音时，从一个元音滑向另一个元音。例如。
Each syllable must have one and only one vowel sound. A diphthong is considered one vowel sound.
每个音节必须有一个，也只能有一个元音。
It is difficult to synthesize the sonant in the speech synthesis especially in the synthesizing diphthong in speech synthesis.
语音合成中以浊音合成为难点，尤其是在做多元音合成时尤为突出。
Either of two marks used In Greek to Indicate aspiration of an Initial vowel or diphthong (') or the absence of such aspiration (?).
希腊语中两种符号之一，表示首元音或双元音的送气发音的符号(')或不发这种送气音的符号(？)。
The duration radio of each is influenced neither by English nor Chinese diphthongs. The duration pattern of each English diphthong produced by PTHS shows a unique characteristic.
相似音并没有对PTHS生成的英语双元音的时长比例产生显著影响，PTHS体现出了自己特有的时长特点。
The duration radio of each is influenced neither by English nor Chinese diphthongs. The duration pattern of each English diphthong produced by PTHS shows a unique characteristic.
相似音并没有对PTHS生成的英语双元音的时长比例产生显著影响，PTHS体现出了自己特有的时长特点。
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