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- They spin at 400-500 revolutions per minute. 它們每分鐘旋轉四百到五百周。
- Can your car make a hundred miles per hour? 你的汽車一小時能開一百英里嗎?
- The car is spinning along120 li per hour. 這車正以每小時120里的速度行進。
- The hurricane has a speed of 73 miles per hour. 颶風每小時73英里。
- The speed limit is 40 miles per hour. 規定的最高時速為40英里。
- The cruiser's speed is 50 miles per hour. 巡洋艦的速度每小時有50海里。
- The going rate for the job is $10 per hour. 這項工作的現行工資是每小時十美元。
- The truck was traveling under fifty miles per hour. 那輛卡車以每小時不到五十英里的速度行駛著。
- The going rate for the job is￡4 per hour. 這種工作的現行工資是每小時四英鎊。
- The drum is rotated at 20 revolutions per minute for 10 minutes. 圓筒以每分鐘20轉的速度轉10分鐘。
- The shaft and discs rotate at about forty revolutions per second. 豎軸和磁碟每秒鐘大約旋轉40轉。
- We were bowling along (the motorway) at seventy miles per hour. 我們以每小時七十英里的速度(在高速公路上)飛馳。
- This machine runs at speed of 500 revolutions per minute. 這台機器每分鐘500轉。
- The maximum speed of this car is 150 miles per hour. 這輛車的最大時速為一百五十英里。
- 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. 飛輪一種用於減小拐彎時速度變化和每分鐘轉數的粗邊轉輪，如減小機械在運行或裝載中的變化
- For safety's sake, don't drive more than 30 kilometers per hour in the city. 為了安全起見，在市內開車時速不要超過三十公里。
- Cars cannot exceed35 miles per hour within city limits. 在市區線以內車速不能超過每小時35英里
- The whole drum rotates at a steady speed of about sixty revolutions per second. 整個磁鼓大約以每秒60轉的恆定轉速旋轉。
- The odometer shows now 140 miles per hour. 里程錶顯示現在的時速為140英里。
- A phonograph record designed to be played at45 revolutions per minute. 每分鐘四十五次轉速的唱片
