名词
中文翻译：不适当的双元音
同义词：
['imperfect triphthong', 'improper diphthong例句：1. The teachernoticed that the student\'s pronunciation of "t" was animperfect triphthong.（老师注意到学生发“t”的发音是不适当的双元音。）2. In some languages', 'imperfect triphthongs are usedto indicate a sense of uncertainty or hesitation.（在某些语言中，不适当的双元音用于表示不确定感或犹豫。）']
例句：
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1. The teachernoticed that the student's pronunciation of "t" was animperfect triphthong.
老师注意到学生发“t”的发音是不适当的双元音。
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2. In some languages, imperfect triphthongs are usedto indicate a sense of uncertainty or hesitation.
在某些语言中，不适当的双元音用于表示不确定感或犹豫。
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3. Theimperfect triphthong inthe word "perfect" is pronouncedas "fərtʃəkt" in American English.
“perfect”这个词中的不适当双元音在美国英语中读作“fərtʃəkt”。