1、字母组合oo读/u:/的单词：food, mood 心情、语气roof屋顶 , proof n. 证明, water proof 防水的, shock proof 防震的,- hoof (牛、马的)蹄子, woof n. 低吠声fool 傻瓜, foolish 愚蠢的, pool 池塘, swimming pool 游泳池- tool 工具, school, school master 校长, stool 凳子broom 笤帚, boom (商业等的)繁荣, loom 织机, bloom(花)盛开,- gloomy昏暗的moon, noon, afternoon, soon, spoon 调羹, cartoon 卡通,- balloon 气球, typhoon台风troop, loop n.环、圈, hoop n.铁环, droop v.低垂, scoop 勺,- snoop v. 探听, swoop猝然下降、猝然攻击,- whoop n. 哮喘声, whoop
