国土安全 /guótǔ ānquán/ angolul

national security▼(safety of a country)
noun
[UK: ˈnæ.ʃnəl sɪ.ˈkjʊə.rɪ.ti] [US: ˈnæ.ʃə.nəl sɪ.ˈkjʊ.rə.ti]