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- They spin at 400-500 revolutions per minute. 它们每分钟旋转四百到五百周。
- Can your car make a hundred miles per hour? 你的汽车一小时能开一百英里吗?
- The car is spinning along120 li per hour. 这车正以每小时120里的速度行进。
- The hurricane has a speed of 73 miles per hour. 飓风每小时73英里。
- The speed limit is 40 miles per hour. 规定的最高时速为40英里。
- The cruiser's speed is 50 miles per hour. 巡洋舰的速度每小时有50海里。
- The going rate for the job is $10 per hour. 这项工作的现行工资是每小时十美元。
- The truck was traveling under fifty miles per hour. 那辆卡车以每小时不到五十英里的速度行驶着。
- The going rate for the job is￡4 per hour. 这种工作的现行工资是每小时四英镑。
- The drum is rotated at 20 revolutions per minute for 10 minutes. 圆筒以每分钟20转的速度转10分钟。
- The shaft and discs rotate at about forty revolutions per second. 竖轴和磁盘每秒钟大约旋转40转。
- We were bowling along (the motorway) at seventy miles per hour. 我们以每小时七十英里的速度(在高速公路上)飞驰。
- This machine runs at speed of 500 revolutions per minute. 这台机器每分钟500转。
- The maximum speed of this car is 150 miles per hour. 这辆车的最大时速为一百五十英里。
- A heavy-rimmed rotating wheel used to minimize variations in angular velocity and revolutions per minute, as in a machine subject to fluctuation in drive and load. 飞轮一种用于减小拐弯时速度变化和每分钟转数的粗边转轮，如减小机械在运行或装载中的变化
- For safety's sake, don't drive more than 30 kilometers per hour in the city. 为了安全起见，在市内开车时速不要超过三十公里。
- Cars cannot exceed35 miles per hour within city limits. 在市区线以内车速不能超过每小时35英里
- The whole drum rotates at a steady speed of about sixty revolutions per second. 整个磁鼓大约以每秒60转的恒定转速旋转。
- The odometer shows now 140 miles per hour. 里程表显示现在的时速为140英里。
- A phonograph record designed to be played at45 revolutions per minute. 每分钟四十五次转速的唱片
