美国总统约翰·肯尼迪在莱斯大学发表关于太空计划的演讲答:这是一篇非常著名的演讲,肯尼迪总统在在莱斯大学阐述了他的太空计划.President Pitzer, Mr. Vice President, Governor, Congressman Thomas, Senator Wiley, and Congressman Miller, Mr. Webb, Mr. Bell, scientists, distinguished guests, and ladies and gentlemen:I appreciate your president having ...