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写出划线字母对应的音标good/__ʊ__/sheep/ʃiː__/shirt/ʃɜː__/look/lʊ__/dog/__ɒ__/like/laɪ__/big/__ɪ__/pretty/__rɪ__i/Bob/__ɒ__/tea/__iː/写出划线字母对应的音标room/r__m/tree/tr__/bird/______/talk/______/car/____/ball/____l/sir/s__/see/s__/food/f____/star/s____/