请输入您要查询的英文单词：
单词
ˌnon-proˌlifeˈration
释义
ˌnon-proˌlifeˈration
NOUN
U
a policy of preventing any increase in the number of chemical weapons that countries have 防止（核武器或化学武器）扩散
a non-proliferation treaty
防止核扩散条约