動漫教學鏈接
http://www.yes.com.cn/letter/letter.jsp?id1=5&id2=CCL-9905-08A

發音要領
Essentials of Pronunciation

　　u 口微開，舌後縮，舌麵後部上升接近軟齶，雙唇緊縮呈圓形，隻留一個小孔。
　　The opening of the mouth is narrow. The tongue is held back with its back raised close to the soft palate. The lips are forced into a harrow and round position with only a small opening left.