Vowels are sounds produced without obstruction, so no turbulence or a total stopping of the air can be perceived.
A、正确;
B、错误
发布时间：2025-09-05 14:31:06
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答案：正确
【分析】:元音的发音是气流不受到阻碍，所以也没有气流的震动或是完全阻塞，该说法正确。
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