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n.双元音；复合元音；元音连字
1、triphthong───n.三合元音
2、triphthongs───n.三合元音
3、diphthongally───双元音
4、diphthongise───联苯酶
5、diphthongal───adj.连字的；双重元音的；二合元音的
6、diphthongize───v.使双元音化；使复元音化
7、diphthongia───n.复音，双音
8、diphthongs───n.双元音；复合元音（diphthong的复数）
9、diphthongic───双元音
1、Is a diphthong, and therefore is not divided.───是双元音，故不能分开。
2、To pronounce diphthong in an effective way───要发出饱满的双元音
3、Also, all vowel and diphthong sounds in English are voiced.───同样地，所有英语元音和双元音都是发声的。
4、The sound quality of a letter or diphthong.───音值一个字母或复合元音的音值
5、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。
6、All vowel and diphthong sounds in English are voiced.───所有英语元音和双元音都是发声的。
7、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。
1、The sounds of hate, bee, high, bone, few, are the basic diphthongs.
2、A diphthong is a vowel made up of two sounds.
3、Also, all vowel and diphthong sounds in English are voiced.
4、A diphthong is considered one vowel sound.
5、Is a diphthong , and therefore is not divided.
6、The next two diphthongs are almost exactly the opposite of each other and therefore less likely to be confused.
7、The [ju:] diphthong. This combines the y, y, uh-y, Y consonant sound with the oo, closed oo.
8、This month Boyun the chirp sends out diphthong, this time we duplicate him the chirp to make the response, and converses with lip shape must obviously and her.
9、A frequent fault is making the diphthongs too long: each element is too clearly articulated.