friction 核心词议：
n. 摩擦，[力]摩擦力
friction 基本解释
速记方法
速记技巧
词源记忆法
来自PIE*bher，磨擦，转，词源同bore.-ct，过去分词后缀。
知识扩展
重要短语
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
friction 变化形式
复数： frictions
中文词源：
friction 摩擦
来自PIE*bher, 磨擦，转，词源同bore. -ct, 过去分词后缀。
friction
精选例句
1、 The pistons are graphite-coated to reduce friction.
活塞表面涂有石墨以减少摩擦。
2、 Sara sensed that there had been friction between her children.
萨拉感觉到她的孩子们中间出现了摩擦。
常见考点例句：
- Nor should the friction between those factions be exaggerated .
- 派系之间的摩擦也不应被夸大。
- P 4 s 3 also ignites easily by friction .
- p4s3在摩擦力作用下同样很容易引燃。
- The back-and-forth over banking overhauls is the latest sign of friction between the ecb and germany .
- 围绕银行业改革问题的反复争论是显示欧洲央行和德国存在不和的最新迹象。
- A more balanced account of the friction behind facebook remainsto be written .
- 一个更公平的对facebook背后争执的叙述仍待写下。
- Some chinese commentators say the verbal sparring is a sign of greater trade friction to come with washington .
- 一些中国的评论家认为这次矛盾是一个信号，表明与华盛顿之间的贸易磨擦将会加剧。