国土安全 guótǔ'ānquán homeland security Origin Definitions Defs Strokes Stroke Words Sentences Sents 国土安全局 guótǔ'ānquánjú Department of Homeland Security Department of Homeland Security; the United States federal agency responsible for public security within the country's borders国土安全部 guótǔ'ānquánbù Department of Homeland Security (US) Department of Homeland Security