Unit7Happybirthday!Lesson1BListenandsay播放暂停bike[baɪk]car[kɑ:(r)]doll[dɒl][baɪk][dɒl][kɑ:][kɑ:][baɪk][dɒl][baɪk][dɒl][baɪk][dɒl][baɪk][baɪk][dɒl][kɑ:]bikecardollcardollcardollbikecarcardollcardollbikecarbikebike自行车汽车洋娃娃汽车洋娃娃汽车洋娃娃自行车汽车汽车洋娃娃汽车汽车•robot[ˈrəʊbɒt]train[treɪn]van[væn][ˈrəʊbɒt][treɪn][væn][ˈrəʊbɒt][treɪn][treɪn][væ...