军备竞赛

arms (or armament)race
～不是防止战争的办法。Competitive armament is not a way to prevent war./“星球大战”搞不得，因为它会引起～的质的变化。“Star Wars”plan must not be carried out because it would cause qualitative change in the arms race./～螺旋式上升。The arms race is spiraling up./把～扩展到外空extend the arms race to outer space/掀起～whip up an arms race/降低～的规模scale down an arms race