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.This machine runs at speed of 500 revolutions per minute.这台机器每分钟500转.The drum is rotated at 20 revolutions per minute for 10 minutes.圆筒以每分钟...

Automatic feed back circuit to keep constant revolutions of handpiece under variety of working condition.自动回溯回路设计,可确保手机在各种加工条件下可常速运转.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 s...

n.演变( evolution的名词复数 )，发生，（天体的）形成，（气体等的）放出...

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His long life comprised a series of evolutions.他漫长的一生包括一系列的发展变化。He was, moreover, deeply imbued with the philosophy of history and the course of its evolutions.此外, 他完全掌握历史哲学,了解历史的进程.The current evolutions during address ...

revolutions的音标：...

evolutions的音标：...