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汉语拼音：mó cā

1.物体和物体紧密接触，来回移动。

2.两个相互接触的物体，当有相对运动或有相对运动趋势时，在接触面上产生的阻碍运动的作用。

3.（个人或党派团体间）因彼此利害矛盾而引起的冲突。

1. 物体和物体紧密接触，来回移动。

   《新华文摘》1981年第5期：“他用手指摩擦着玻璃板，发出‘咕咕’的声音。”

2. 谓个人或群体因彼此利害矛盾而引起的冲突。

   邹韬奋 《抗战以来》五：“若任其摩擦，勇于私斗，必怯于公战。” 陈毅 《送人赴泰州谈判抗日合作》诗：“凭君寄语强梁辈，摩擦自戕慎厥初。”

• He heard tires squeal as the car braked to avoid a collision.

  为避免相撞而刹车时，他听到了轮胎与地面刺耳的摩擦声。

• The grind of heavy machines could get on their nerves.

  重型机器发出的刺耳的摩擦声会让他们心烦意乱。

• The only sound is that of knives and forks scraping against china.

  只听见刀叉摩擦瓷器的刺耳声。

• the coefficient of friction

  摩擦系数

• I can't bear the sound of chalk scraping on a blackboard.

  我受不了粉笔在黑板上摩擦时发出的刺耳声音.

• This insect makes its strange noise by rubbing its back legs together.

  这只昆虫摩擦它的两条后腿发出一种奇怪的声音.

• In everyday life you may sometimes have a brush with other people.

  在日常生活中,你有时会与别人有点小摩擦.

• He rubbed his limbs vigorously to get the blood circulating.

  他用力摩擦四肢让血液循环开来.

• When Joan returned to work, the friction between them increased.

  琼回来工作后, 他们之间的摩擦加剧了.

• Friction acts on moving bodies and brings them to a stop.

  摩擦力作用于运动着的物体,并使其停止.

• The conflict between the two countries finally caused a war.

  两国间的摩擦终于导致了一场战争.

• Oil is put in machinery to reduce the friction.

  把油涂到机器上减少摩擦.

• That door rubs on the floor.

  那扇门与地板摩擦.

• He has had a few brushes with them.

  他曾与他们有点摩擦.

• The journal rubs against the bearing surface.

  轴颈在轴承面上摩擦.