Bile was separated upon celite columns into its taurine and glycine conjugated fractions.胆汁用硅藻土滤蕊分离出它的牛磺酸和甘氨酸的共轭结合部份....simple math concepts, such as decimals and fractions.简单的数学概念，如小数和分数Different elution fractions from ...
地球上的方向是通过方位角测定的.Direction on the sphere is measured by azimuths.每个交叉点上的一条边的长度和方位角是一开始就决定的.The length and azimuth of one side at each junction point is first decided on.方位误差必须观测天文方位角 ( 及经度 ) 来控制.The error in azimuth must ...
In the walls of the cubicle there were three orifices.办公间的墙上有三个孔洞.Once again he glanced at his rival in the opposite cubicle.他再瞥一眼对面办公间里的对手.We sat silent for a while, and a homy feeling invaded my ugly little cubicle.我俩默...