the domino theory

劍橋詞典

the belief , especially in the 1950s and 1960s, that if one country became communist, other countries near that country would more easily also become communist
多米諾骨牌理論（1950和1960年代的政治用語，指如果一個(gè)國家成爲(wèi)共産主義國家，其周圍國家也更易成爲(wèi)共産主義國家） 返回 the domino theory