For the second time , nasa was forced to scrub the launch of the space shuttle discovery because of weather . nasa says they will try again on the 4th of july 由于天气的原因，美国国家航空和宇宙航行局不得不第二次取消了发现号宇宙飞船的发射。国家航空和宇宙航行局称，他们将于七月四日再做尝试。
Hen it s mealtime on board the space shuttle discovery scheduled for launch next week , john glenn won t be sucking applesauce out of a tube like he did on his earth orbit 36 years ago 发现号太空梭预计下个星期发射升空，当约翰葛伦在太空中用餐时，将不会再像他36年前在地球轨道上飞行时，要从导管吸食苹果酱。
The space shuttle discovery and its seven astronauts returned to earth safely on tuesday , successfully completing nasa ' s troubled resumption of human space flight 2 . 5 years after the columbia disaster “发现号”航天飞机和七位宇航员在周二安全返回地球，成功地完成了在“哥伦比亚”号航天飞机失事两年半后，美国国家航空和宇宙航天局重新开始的有难度的人类宇宙飞行任务。
