dilationsCOCA¹⁵⁶⁵⁹²BNC¹⁷³⁹⁹⁵⁺² 基本例句 n.膨胀；扩张术；扩张症；扩大；铺张；详述医扩张原型dilation的复数 The main imagic characteristics were ampullary masses, dilations of biliary and pancreatic duct. 影像学检查主要表现为壶腹部肿物及胆、胰管扩张； zglcyx This is where relativistic time dilations come into it. 这里，时间发生相对性膨胀。 yeeyan