officer /ˈɔfisə/ n.[c]1. 军官,警官:His father is an officer in the army.他父亲是一名陆军军官。A police officer caught the thief. 一名警官抓住了这个小偷。2. 负责官员,高级职员: a public officer 公务员;an officer of state 国务委员
official /əˈfiʃəl/ I. n.[c](文职)官员:government officials政府官员;an important official 一位重要官员 ‖II. adj. 官方的,正式的:English is the official language of the U.S.A.英语是美国的官方语言。an official visit(dinner) 正式访问(宴会)