TED演讲:抗击癌症的新式武器(2)
One example is a trick in which a gene allows a cell, even as the drug approaches the cell, 有一个例子很神奇,基因能让细胞在药物接近之前, to push the drug out, before the drug can have any effect. 把药物推开,药物根本来不及起任何作用。 Imagi
英语演讲常用句型--引入主题
Introducing the Subject and the outline of the Presentation Background Information I would like to start by briefly reviewing the history of open heart surgery. Let us start with the theoretical basis
奥巴马总统每周电台演讲:总统呼吁创建能源安全信托基金
Hi, everybody. 嗨,大家好。 As a nation, our top priority is growing our economy and creating good middle class jobs. 作为一个国家,我们的最高目标就是增长经济并为中产阶级创造良好的就业岗位。 That's why this week I 'm speaking to you f
Ted英语演讲:环境 重造计划:艾尔 戈尔:关于避免气候危机的演讲
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TED演讲:在危机中前行的政治(9)
The proof? When Pena was sworn in, the pact held, 证据呢?当培尼亚宣誓就职时,协议也签订了 and Mexico moved forward for the first time in years. Bueno. 而墨西哥也在这么多年来第一次朝前发展。非常好 So now we've seen how these three countries o