此外它是我们新开拓的唯一研究途径.Here it is the only line of attack which we have opened.卓越的天才不屑走旁人走过的路,他寻找迄今未开拓的地区.Towering genius disdains a beaten path . It'seeks regions hittite unexplored.许多科学家对在未完全开拓的知识领域工作感到极大的兴奋.Many scient...
...tropical birds screeching in an aviary...在鸟舍中尖声鸣叫的热带鸟I kept the birds indoors all winter and introduced them into an aviary the following June.整个冬天我把鸟关在室内，然后在接下来的6月份把它们放入鸟类饲养场饲养。The birds will winter outside in an avi...
实际要用的项数的多少取决于收敛的快慢程度.The number of terms actually used depends upon the rapidity of the convergence.它的大小表明经济效益水平提高的快慢程度.Its size indicates the speed rate that economic benefits level raises.物体的速度所表示的,只是物体运动的快慢.It is only...