n.

an abraded area where the skin is torn or worn off

同義詞：scratchscrapeexcoriation

erosion by friction

同義詞：attritioncorrasiondetrition

the wearing down of rock particles by friction due to water or wind or ice

同義詞：grindingattritiondetrition

1. The hiker suffered several abrasions on his knees after falling on the trail.
   徒步旅行者在步道上摔倒后，膝蓋上有多處擦傷。
2. The constant rubbing caused abrasions on the rope, reducing its strength.
   持續(xù)的摩擦導(dǎo)致繩子表面磨損，降低了其強度。