friction

复数：frictions

1. [U]摩擦 rubbing of one surface or thing against another
2. [U]摩擦力 the force which tries to stop one surface sliding over another
3. [U][C]冲突,不和 disagreement or conflict between people or parties with different views

• cause〔create, produce〕 friction引起摩擦
• minimize〔reduce〕 friction减小摩擦

• constant friction经常性摩擦
• political friction政治冲突

• the friction of sth against〔between〕与…之间的摩擦
• the friction over关于…的争执

friction coefficient磨擦系数

friction force摩擦力

friction factor摩擦因子；摩擦率

trade friction贸易摩擦

coefficient of friction摩擦系数；磨擦系数

internal friction内摩擦；内耗

friction welding摩擦焊接

sliding friction滑动摩擦

friction material摩擦材料

dry friction[物]干摩擦；库伦摩擦

friction angle磨擦角

friction loss摩擦损失

skin friction表面摩擦（表皮摩擦机壳与空气的摩擦力）

coulomb friction[力]库仑摩擦

friction torque摩擦力矩；摩擦转矩；摩擦扭矩

rolling friction滚动摩擦

friction surface摩擦表面

static friction静摩擦；干摩擦；库仑摩擦

friction heat摩擦热

friction clutch摩擦离合器

1. Constant friction wore out the heels of my shoes.
   不断的摩擦磨损了我的鞋跟。
2. Matches are lighted by friction.
   火柴由摩擦而生火。
3. Friction lowers the efficiency of a machine.
   摩擦减低机器的效率。
4. Friction causes a rolling ball to stop finally.
   摩擦力使滚动的球最终停了下来。
5. Without friction, the brake would not work.
   如果没有摩擦力,制动器就不能制动。
6. I oiled the machine to reduce friction.
   我把机器上油,以减少摩擦力。
7. My daughter and son always have frictions.
   我女儿和儿子总发生矛盾。
8. There is some friction among the family members.
   家庭成员间有些摩擦。