老人撩起開襟毛衣?lián)狭藫仙眢w的一側(cè)。The old man lifted his cardigan to scratch his side.運(yùn)動(dòng)對(duì)身體的好處可以分為3個(gè)方面。The physical benefits of exercise can be divided into three factors.天冷時(shí)，身體的抵抗力會(huì)下降。The body may be less resistant if it is cold....