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- Friction causes a rolling ball to stop finally. 摩擦力使滾動(dòng)的球最終停了下來(lái)。
- 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(gè)棍棒相互摩擦能起火。
- In the absence of friction belted machinery would not be used. 沒(méi)有摩擦力，皮帶傳動(dòng)的機器就無(wú)法使用。
- Matches are lighted by friction. 火柴由摩擦而生火。
- There is a great deal of friction between the management and the work force. 勞資雙方之間存在大量矛盾。
- A friction match with a large head capable of burning in a wind. 耐風(fēng)大頭火柴一種能夠在風(fēng)中燃燒的通過(guò)磨擦點(diǎn)火的大頭火柴
- Friction lowers the efficiency of a machine. 摩擦減低機器的效率。
- You could not walk if there were not some friction. 假若沒(méi)有摩擦，你就不能行走。
- Adhesive friction, as of a wheel on a track or a tire on a road. 附著(zhù)摩擦力粘附性摩擦，如車(chē)輪在軌道上或輪胎在路面上的
- Friction gradually caused the sliding box to slow down and stop. 摩擦力使向下滑的箱子漸漸慢下來(lái)后停住。
- There is some friction among the family members. 家庭成員間有些摩擦。
- Friction cannot be disposed of so easily. 摩擦是不能輕易消除的。
- If it were not for friction, you could not walk. 要不是由于摩擦，你就不能行走。
- To wear down or rub away by friction; erode. 磨蝕，磨損因摩擦而破損或擦傷；侵蝕
- Why heat can be produced by friction is clear now . 摩擦能產(chǎn)生熱的原因現在清楚了。
- In order to reduce friction, the moving parts of a machine are often oiled. 為了減少摩擦，機器的可動(dòng)部件常常涂上潤滑油。
- Oil is put in machinery to reduce the friction. 把油涂到機器上減少摩擦。
- We can see that friction is not always bad things. 我們可以看到摩擦并非總是壞事情。
- One other law of friction should be noted. 摩擦力的另一個(gè)定律也應被注意。
