Part 1 Warming up A Mars collect information orbit order back ”t-offn.(火箭等)离地升空，垂直发射 International Space Station give up hope return in triumph Part 1 Warming up A ❖ Mars ❖ collect information ❖ orbit ❖ order back ❖ lift-off n. （火箭等）离地升空，垂直发射 ❖ International Space Station ❖ give up hope ❖ return in triumph