We use those in my field of bone marrow transplantation. 我们把这些干细胞用于骨髓移植领域。 Geron, just last year, started the first trial using human embryonic stem cells to treat spinal cord injuries. 杰龙去年开始第一次尝试用人类

Pardon me. 不好意思。 I don't think I need this clicker anymore. You can have that. 我觉得我不需要这个遥控器了，给你吧。 Thank you very much. I appreciate that. 谢谢，非常感谢！ Come on up to the stage, Joe. Let's play a li

As everyone knows,English is very important today.It has been used everywhere in the world.It has become the most common language on Internet and for international trade. If we can speak English well,

“I’m full of so much gratitude now. I do not feel elevated above any of my fellow nominees or anyone in this room, because we share the same love – that’s the love of film. And

这是奥巴马在宾夕法尼亚州费城发表的演讲，也是他在参选以后第一次就种族问题发表公开演讲。2008年初的初选过程中，奥巴马皈依的芝加哥圣三位一体联合基督教教会牧师赖特以前在布道时发表的一些仇恨白人和反美的激情演讲片段被媒体公布，全国顿时一片哗然，奥巴马顿时陷入严重的信任危机。3月18日，奥巴马在费城美国宪法中心发表了此篇深入探讨美国种族问题的演讲，获得好评如潮，成功地走出了信任危机 A More Pe