space shuttle missions造句

例句与造句

1. Nasa announced on june 30 , 2005 that it planned to launch its first space shuttle mission since the 2003 columbia disaster on july 13
   美国国家航空航天局6月30日宣布，将于7月13日进行“哥伦比亚”号2003年失事以来的首次航天飞机发射。
2. It's difficult to find space shuttle missions in a sentence. 用space shuttle missions造句挺难的