Hxen.com's tips：Every day persisted can learn English well!-->■Learn English Everyday■
shuttle – n. a vehicle that travels back and forth between places
spacecraft – n. a vehicle that is used for travel in outer space
simulators – n. machines that are used to show what something looks or feels like and are usually used to study something or to train people
cockpit – n. the area in a boat, airplane or spacecraft where the pilot or driver sits
mission – n. an important operation or program
