per hour

基本解释

The meter indicates the speed to be 45 miles per hour.
儀表指示出速度是每小時45英裡。
They are ramming their motorcycles on the expressway at 80 miles per hour.
他們正以每小時80英裡的速度騎著摩托車在高速公路上疾駛。
The tsunami traveled across the Pacific at about 550 miles per hour, or the speed of a jet plane.
海歗以每小時約550英裡的速度穿越太平洋，相儅於一架噴氣式飛機的速度。
crazymouth.com

Stephen Strasburg can throw a baseball more than one hundred sixty kilometers per hour.
So, if we're trying to figure out the wavelength of a Matsuzaka fastball, we need to consider the velocity first, which is 42 miles per hour.
如果我們嘗試計算一個,松阪發出快球的波長，我們首先需要考慮速度，每小時爲42英裡。
麻省理工公開課 - 化學原理課程節選
We don't usually do our chemistry calculations in miles per hour, so let's switch that to 42 meters per second, so it's -- sorry, it's 94 miles per hour.
在化學計算中我們很少,用英裡每小時，所以我們把它換算爲42米每秒，對不起，它是94英裡每小時。
麻省理工公開課 - 化學原理課程節選

The ore is pulverized in a crusher that can smash 300 tons of rock per hour.
FORBES: The Treasure of the Sierra Madre