没有什么目标是高不可攀的,但人必须小心而自信地攀登。
The fundamental point in fabricating a chain reacting machine is of course to see to it that each fission produces a certain number of neutrons and some of these neutrons will again produce fission.
电影的美在于它允许我们以一种其他艺术形式无法做到的方式探索人类情感和经验的深度。