frictions

常见例句

My daughter and son always have frictions.
我女兒和兒子縂發生矛盾。
Friction causes a rolling ball to stop finally.
摩擦力使滾動的球最終停了下來。
Constant friction wore out the heels of my shoes.
不斷的摩擦磨損了我的鞋跟。
Friction between two sticks can create a fire.
兩個棍棒相互摩擦能起火。
In the absence of friction belted machinery would not be used.
沒有摩擦力，皮帶傳動的機器就無法使用。
Matches are lighted by friction.
火柴由摩擦而生火。