official.
adj. 官方的；正式的；公务的；
例句：They ignored the official party line.
他们忽略了政党的官方路线。
An official pushed through the throng.
一位官员从人群中挤过。
This was her first official engagement.
这是她的首桩公务。
The company's official retiring age is 65.
公司正式的退休年龄为65岁。
Official reports said casualties were high.
官方报道称人员伤亡很大。
The country's official language is Spanish.
这个国家的官方语言为西班牙语。
He flunked out, a school official told CNN.
一位校方官员告诉美国有线电视新闻网说，他被退学了。
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