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- Matches are lighted by friction. 火柴由摩擦而生火。
- To wear down or rub away by friction; erode. 磨蚀，磨损因摩擦而破损或擦伤；侵蚀
- Why heat can be produced by friction is clear now . 摩擦能产生热的原因现在清楚了。
- Why heat can be produced by friction isnow clear. 现在清楚了为什么摩擦能产生热。
- To wear down or rub away by friction;erode. 磨蚀，磨损因摩擦而破损或擦伤；侵蚀
- Why heat can be produced by friction is clear now. 为什么摩擦能产生热现在清楚了。
- A rubbing away or wearing down by friction. 摩擦,磨损,消磨:通过磨擦作用擦掉或消耗掉。
- Soil erosion by rain and wind is a serious problem here. 雨和风对土壤的侵蚀在这儿是个严重问题。
- Warmth, wear, or soreness produced by friction. 摩擦所产生的热、擦损或擦痛
- Why heat can is produce by friction is clear now. 为什么摩擦能生热现在已清楚了。
- erosion by friction. 通过磨擦作用擦掉或消耗掉。
- The meteor, rushing through the air, becomes intensely heated by friction and is usually completely vaporized. 流星快速掠过空气时，由于磨擦而变得非常热，通常被完全气化了。
- An electrical charge produced by friction between two objects. 摩擦电由两个物体摩擦产生的电荷
- Why heat could be produced by friction is clear now. 为什么摩擦能生热现在已清楚了。
- The geotextile material reinforces a structure and reduces erosion by equalizing stresses over a wide area. 通过在大面积范围内保持均匀的应力,土工材料起到了对结构增强及减少土层流失的作用。
- Boardman J , Favis - Mortlock D T.Modelling soil erosion by water : some conclusions\[A \]. 王兴奎;钱宁;胡维德.;黄土丘陵沟壑区高含沙水流的形成及汇流过程\\[J\\]
- It did not furnish an explantation for the heat generated by friction. 它未能圆满地解释因摩擦而产生的热。
- Soil erosion by wind is one of the main natural disasters on the sandy land in West Jilin Province. 摘要风蚀危害是吉林省西部沙地的主要自然灾害之一。
- At cold locations far from the equator, he found, erosion by snow and ice easily matched any growth due to the Earth's plates crunching together. 他发现，在远离赤道的寒冷地带，由冰雪造成的土壤侵蚀轻易地抵消了地球板块互相挤压造成的增高。
- It did not furnish an explanation for the heat generated by friction. 它未能圆满地解释因摩擦而产生的热。
