briefing /ˈbri:fiŋ/ n. [u] & [c] 简要指示，情况简介（会）：a media briefing 新闻发布会。This briefing explains the systems, products, and standards. 这个简要说明介绍有关体系、产品和标准。The government spokesman gave a quick briefing to the reporters.政府发言人向记者们作了情况简介。