outer space (又称 “宇宙空间”，指地球大气空间，即空气空间以外的整个空间) 深层空间——即～——这个词含有更辽阔广漠的色彩，同时还多少带点神秘性。Deep space—that is,outer space—suggests greater spatiality and an amount of mystery to boot./和平利用～peaceful use of outer space/～导弹outer-space missile/～军备竞赛arms race in outer space /～军事化militarization of outer space/～武器化weaponization of outer space/～事务司 （外空司）（联合国）Outer Space Affairs Division