My fellow Americans, 我的美国同胞们： All American hearts are united with the people of Puerto Rico and the Virgin Islands who have faced terrible devastation in the wake of two catastrophic hurricanes. 波多黎各和
8:01 P.M. EST THE PRESIDENT: Fellow citizens: For eight years, it has been my honor to serve as your President. The first decade of this new century has been a period of consequence -- a time set apar
Cassini just a few months ago also flew through the plume, and it measured silicate particles. 卡西尼太空船几个月前又从这些飞溅的水流中穿过，它检测到了硅酸盐颗粒。 Where does the silica come from? 这些硅从哪来的？ It must come from the ocean
知名毕业演讲特辑之五：高中毕业演讲——没有一个人是特别的，生活的美好都得靠自己双手创造 David McCullough Junior's Commencement Address at Wellesley High School Dr. Wong, Dr. Keough, Mrs. Novogroski, Ms. Curran, members of the bo
