2. 译成汉语的被动语态。英语中的许多被动句可以翻译成汉语的被动句。常用“被”, “给”, “遭”, “挨”, “为……所”, “使”, “由…”, “受到”等表示。例如:

　　例1.Early fires on the earth were certainly caused by nature, not by Man.

　　地球上早期的火肯定是由大自然而不是人类引燃的。

　　例2.These signals are produced by colliding stars or nuclear reactions in outer space.

　　这些讯号是由外层空间的星球碰撞或者核反应所造成的。

　　例3.Natural light or “white” light is actually made up of many colours.

　　自然光或者“白光”实际上是由许多种颜色组成的。

　　例4.The behaviour of a fluid flowing through a pipe is affected by a number of factors, including the viscosity of the fluid and the speed at which it is pumped.

　　流体在管道中流动的情况, 受到诸如流体粘度、泵送速度等各种因素的影响.