例句與造句

1. The orbiter ' s first mission is to find landing sites for the phoenix mars lander , set to arrive on mars in may 2008 to dig for subsurface water ice , and for the 2009 arrival of the mars science laboratory , a larger version of the twin robotic geologists spirit and opportunity , which have been traversing the planet ' s surface since 2004
   Mro的第一個(gè)任務(wù)將是為鳳凰號火星登陸車和火星科學(xué)尋找合適的降落點(diǎn)。前者將于2008年抵達(dá)火星，搜集地下固態(tài)水，后者則是勇氣號和機(jī)遇號火星車的增強(qiáng)版，
2. It's difficult to find mars science laboratory in a sentence. 用mars science laboratory造句挺難的