英语背诵课文 Unit51:Swimming
Lesson51SwimmingSwimmingisacompetitivesportplayedaroundtheworldandonmanydifferentlevels,includingthe'salsoaneasysporttodoonyourown,bothforfunandforexercise.Manydoctorsandathletesagreethatswimmingis...
Lesson51SwimmingSwimmingisacompetitivesportplayedaroundtheworldandonmanydifferentlevels,includingthe'salsoaneasysporttodoonyourown,bothforfunandforexercise.Manydoctorsandathletesagreethatswimmingis...