"How can I help?" That's what former Presidents George W. Bush and Bill Clinton both asked as the devastating impact of the earthquake in Haiti became clear. This question brought them to a place they
As you probably know, the neurotransmitter associated with learning is called dopamine. 你知道，神经递质伴随学习产生的神经递质叫做多巴胺。 It's associated with reward-seeking behavior. 它与寻找奖励的行为相关联 And something very exci
英语演讲-01 1.Good morning everybody!It's my honor to speak here,and I am very glad to share my topic with you. Then today I'd like to talk something about..... 2.Good evening, ladies and gentlemen, a
I hope soon to send to the Senate a treaty respecting the North Atlantic security plan. 我希望关于北大西洋安全计划的条约不久将呈送参议院。 In addition, we will provide military advice and equipment to free nations which will
