两个引擎的转速都是每分钟2,500转。

Both engines were running at 2,500 rpm.

《柯林斯英汉双解大词典》

转速计在时速70英里时显示每分钟高达3000转。

The tachometer registers a rather high 3,000 rpm at 70 mph.

《柯林斯英汉双解大词典》

无论是停在站牌下还是在离去的过程中，Bladon生产的发动机都能以每分钟80,000转的转速持续旋转。

Whether sitting at a stop sign or peeling away from it, the Bladon engine rotates constantly at an astonishing 80,000 revolutions per minute.

youdao

Even though a hard drive spins at 7200 times per minute or even faster, that's relatively slower than the speed of light.

即使一个硬盘驱动器的转速达到每分钟7200次,甚至更快，仍然比光速慢。

哈佛公开课 - 计算机科学课程节选