President Bush Discusses Volunteerism(Sept.8,2008)
THE PRESIDENT: Thank you, all. Please be seated. Welcome to the South Ground of the White House. It is a joy to be here with members of the armies of compassion. I'm really glad you're here and I appr
TED演讲:女人的愤怒蕴藏着一生的智慧(3)
Fellas, can you imagine you're just on your phone, and someone walks up to you and just takes it out of your hand? 各位,你能想象当你在打电话的时候,有人走过来,然后直接把电话从你手中拿走吗? And they're like, "OK dude, I don't know why y
Ted英语演讲:Michael McDaniel:便宜高效的救灾避难所
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TED演讲之神童 如果我有一个女儿…(4)
When I was a freshman in high school, I was a live wire of nervous hormones. And I was underdeveloped and over-excitable. 当我是高一新生时,我是一个神经激素异常活跃的人。我发育不良,但又过度兴奋。 And despite my fear of ever being looked
TED演讲:男性避孕药会如何起效(3)
Men make a thousand sperm every second and to have an effective contraceptive, 每秒中,男性可生产出一千个精子,所以有效的避孕药 you need to get that level of sperm production down to one percent of its normal value. 必须把这个精子生