Nichols set off for his remote farmhouse in Connecticut.尼科尔斯动身去他在康涅狄格州的偏僻农舍了。We fanned out from the farmhouse in twos and threes.我们三三两两从农舍散去。The only access to the farmhouse is across the fields.去那农舍的唯一通路是穿过田野。...
Objective : To detect the infection of Helicobacter pylori in gaster and oral cavity.目的: 检测在胃和口腔样品中幽门螺杆菌的感染.The saclike cavity within the body of a coelenterate.体肠腔腔肠动物体内的囊状腔.In linear cavity AOM is employed as the Q swi...