manned mars mission造句

reveals our tenacious quest to better understand the universe at the turn of the century . from the international space station that is now being assembled in orbit, to the possible manned mars mission in two decades time, you will be thrilled by the ingenuity and excitement of the latest space exploration activities
，将展望21世纪初，人类为探索宇宙所进行的太空计划，从现今正在兴建的国际太空站，以至酝酿中的人类登陆火星任务，你将见证人类如何殚精竭虑排除万难，为征服太空而作的种种努力。
It's difficult to find manned mars mission in a sentence. 用manned mars mission造句挺难的