In their exploration, they stirred the people of the world to feel as one; in their sacrifice, they bind more tightly the brotherhood of man. 他们用探索，让世界人民万众一心；他们用牺牲，让人类的手足之情更紧密。 In ancient days, men lo
Ronald Reagan's address on the space shuttle "Challenger" tragedy (28 January 1986) Ladies and Gentlemen, I'd planned to speak to you tonight to report on the state of the Union, but the events of ear
And if we move back again, here, and we put on trails on them, like this, 我们再回到过去，给每个球画出运动的轨迹， you can see again that the speed of development is very, very different, 可以看到，发展速度的差距非常大， and the countri
Remarks of President Barack Obama As Prepared for Delivery Weekly AddressJanuary 16, 2010 Over the past two years, more than seven million Americans have lost their jobs. Countless businesses have bee
