英語背誦課文 Unit51:Swimming
Lesson51SwimmingSwimmingisacompetitivesportplayedaroundtheworldandonmanydifferentlevels,includingthe'salsoaneasysporttodoonyourown,bothforfunandforexercise．Manydoctorsandathletesagreethatswimmingis...
Lesson51SwimmingSwimmingisacompetitivesportplayedaroundtheworldandonmanydifferentlevels,includingthe'salsoaneasysporttodoonyourown,bothforfunandforexercise．Manydoctorsandathletesagreethatswimmingis...