Courtneywasjust15yearsoldwhenshejoinedateamofspaceresea...
问题详情：Courtneywasjust15yearsoldwhenshejoinedateamofspaceresearchers.ThosescientistslandedNaSa’srobot.Spirit.ontheplanetMarsButthiswasneither Courtney'sfirstnorherlastadventure inspace researchs...