The necessity of these temporary statutes sufficiently demonstrates the impropriety of this general one. 亚当·斯密.国富论.
Experiment demonstrates that a weight _W_ attached to a cogwheel of radius 3 can be raised by a force _P_, equal to one third of _W_ applied to a cogwheel of radius 1. 伯莎M.克拉克.科学通论.
Now, I have had very little pleasure at our dear Richard's lately, and your practical sagacity demonstrates why. 查尔斯·狄更斯.荒凉山庄.
Faraday demonstrates relation of chemical and electrical force. Edward W. Byrn.十九世纪发明进展.