日积月累

日积月累

太空站                                 space-station

登月车                                 lunar rover

人造卫星                               satellite

发射台                                 launching pad

宇航员                                 cosmonaut, space-man

航天飞机                               space shuttle

压岁钱                                 new year lucky money

抗洪英雄                               anti-flood heroes

雇佣童工       &n