The history of the last half century is not to be understood without an understanding of the mental twist which this story exemplifies. 赫伯特·乔治·威尔斯.世界史纲.
The principle employed in the Edison electrolytic meter is that which exemplifies the power of electricity to decompose a chemical substance. 弗兰克·刘易斯·戴尔.爱迪生的生平和发明.