发音双唇成圆形, 稍向前突出舌尖不触下齿,发短促音[ u ]单词bull full pullpush bush put hood good footbook cook lookbrook crook rookwood wool whoopscould would shouldpudding sugar bullet句子The look is good.The bull is pulled. I will buy the cook book.The pudding is full of sugar.The woman would buy the cushion.辩音[u] [u:]full foolpull poolsoot suitstood stewedcook kook
