汉译英The train is traveling_____ _____ _____ _____ sixty kilometers an hour.火车正以每小时六十公里的速度行驶.The train is traveling_____ _____ _____ _____ sixty kilometers an hour.
问题描述：
汉译英The train is traveling_____ _____ _____ _____ sixty kilometers an hour.
火车正以每小时六十公里的速度行驶.
The train is traveling_____ _____ _____ _____ sixty kilometers an hour.
答
The train is traveling at the speed of sixty kilometers an hour
答
at the speed of