Thank you, Cynthia. 谢谢，辛西娅 Let me get this straight. 让我直说 Although you're looking for a drug 尽管你在找寻一种药 that can solve aging 它能解决 in old men like me, 像我一样老人的衰老问题 what you could do now pretty well i
I'm sure that, throughout the hundred-thousand-odd years of our species' existence, and even before, 我十分确信在人类诞生以来的大概10万多年，甚至比这更长的时间里 our ancestors looked up at the night sky, and wondered what
里根总统最著名的演讲之一：摧毁柏林墙 Tear Down This Wall By Ronald Reagan Chancellor Kohl, Governing Mayor Diepgen, ladies and gentlemen: Twenty-four years ago, President John F. Kennedy visited Berlin, speaking to the
