I led a very confined life in my village so I suppose that I wanted to spread my wings.我在村里生活很封闭，所以我想出去闯荡一番。Coughs and sneezes spread infections much faster in a warm atmos-phere.在温暖的环境中，咳嗽和喷嚏传播疾病的速度要快得多。Infection can sp...
Objective To investigate the diagnosis and treatment of gallstone ileus.目的探讨胆石性肠梗阻的临床特点和治疗方法.Meanwhile it contents quinine acid which can cure gallstone diseases.同时含有奎宁酸,能防治胆结石症.Gallstone: Mass of crystallized substances...