Objective : To study the causes of misdiagnosis and high - risk factors of gallbladder carcinoma.目的探讨原发性胆囊癌的误诊原因及高危因素,加强对本病的早期诊断和防治.Therefore, the liver and gallbladder cannot be completely separated physiologically and ...
脚下厚厚的松针踩上去软绵绵的。The carpet of pine needles was soft underfoot.地上落了厚厚的一层松针。The ground was thickly carpeted with pine needles.松针还在抖动着.The pine needles were still quivering....