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- Friction causes a rolling ball to stop finally. 摩擦力使滚动的球最终停了下来。
- This is a highly efficient new heating system. 这是个高效的新取暖系统。
- Constant friction wore out the heels of my shoes. 不断的摩擦磨损了我的鞋跟。
- Friction between two sticks can create a fire. 两个棍棒相互摩擦能起火。
- In the absence of friction belted machinery would not be used. 没有摩擦力，皮带传动的机器就无法使用。
- It is not efficient to hire poorly trained workers. 雇用未经严格训练的工人会妨碍工作效率。
- He has an efficient business setup. 他有一个有效的生意机构。
- He always takes pride in his work. He's very efficient. 他总是以自己的工作而骄傲。他是个很能干的人。
- 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. 劳资双方之间存在大量矛盾。
- A friction match with a large head capable of burning in a wind. 耐风大头火柴一种能够在风中燃烧的通过磨擦点火的大头火柴
- It is arguable that we would be just as efficient with fewer staff. 我们的职员少一些也能发挥同样效率，这是言之成理的。
- Friction lowers the efficiency of a machine. 摩擦减低机器的效率。
- I'll say this (for them), (ie I'll admit that) they're efficient. 我得(为他们)说句话，他们很有能力。
- You could not walk if there were not some friction. 假若没有摩擦，你就不能行走。
- Adhesive friction, as of a wheel on a track or a tire on a road. 附着摩擦力粘附性摩擦，如车轮在轨道上或轮胎在路面上的
- The firm trained its employees to be more efficient. 公司培训员工，使他们办事效率更高。
- Friction gradually caused the sliding box to slow down and stop. 摩擦力使向下滑的箱子渐渐慢下来后停住。
- There is some friction among the family members. 家庭成员间有些摩擦。
- friction efficient 摩擦系数
