His dictatorship was threatened by his opponents.他的独裁遭到反对派的威胁。They succeeded in overthrowing the fascist dictatorship.他们成功推翻了法西斯独裁统治。...a new era of democracy after a long period of military dictatorship in the country.该...
Silver azide does not dissolve in water or in nitric acid.叠氨化银不溶于水或硝酸.It is possible to harness the versatile chemical properties of cyanogen azide.氰化叠氮的灵活多变的化学性质是可控制的.Cupric azide is insoluble in water.叠氮化铜不溶于水....