联合国秘书处 (聯合國秘書處) Liánhéguó mìshūchù

Liánhéguó mìshūchù proper noun United Nations Secretariat
Domain: Modern Chinese 现代汉语 , Subdomain: Government
Notes: (CC-CEDICT '聯合國秘書處'; Wikipedia '联合国秘书处')