speed用法搭配

　　speed用作名词的'用法例句

　　The police are advising motorists to reduce speed because of the fog.由于有雾，警察告诫驾车者减慢速度。

　　This plane can reach speeds in excess of 1000 kilometers an hour.这架飞机可以达到每小时一千公里以上的速度。

　　She finished typewriting the letter at speed.她迅速打好那封信。