Within the class of approximants, lateral /l/ and retroflex /r/ are further distinguishedfrom semi-vowels /i/ and /w/. This is because /i/ and /w/ are made without a restrictionto the airflow. They are phonetically like consonants but phonologically like vowels () .
出自:伊犁师范-英语语音

完成拼图验证

按住下方滑块,将拼图拖到缺口处后松开。

拼图背景,将小拼图拖到缺口处
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