你的生活质量取决于你的人际关系质量。
We choose to go to the moon in this decade and do the other things, not because they are easy, but because they are hard, because that goal will serve to organize and measure the best of our energies and skills, because that challenge is one that we are willing to accept, one we are unwilling to postpone, and one which we intend to win, and the others, too.
在热量下降过程中,动力显然随冷热物体之间的温差增大而增加。
我是一个战士,我非常坚定和独立。