学习资料

[意       思]n. 摩擦，摩擦力
[例]  Friction causes a rolling ball to stop finally. 摩擦力使得一只滚动的球最终停了下来。
n. 不和，争执
[例]  political friction between two countries 两国间政治上的不和

更多意思

n.1.  摩擦
2.  [物]摩擦力
3.  分歧，争执

参考例句

1.	Friction between two sticks can create a fire.
	两个棍棒相互摩擦能起火。
2.	The force of friction affects the speed at which spacecraft can re-enter the earth's atmosphere.
	摩擦力能影响航天器返回地球大气层的速度。
3.	There is a great deal of friction between the management and the work force.
	劳资双方之间存在大量矛盾。
4.	Friction lowers the efficiency of a machine.
	磨擦会降低机器的效率。
5.	That fire could be produced through friction finally came into the knowledge of man.
	磨擦可以起火终于为人类所知。
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