abrasion

• 指皮肤被擦破或磨损的地方，也指因摩擦造成的侵蚀过程，如岩石颗粒被水、风或冰磨蚀。

A noun referring to an area where the skin is torn or worn off, or the process of erosion caused by friction, such as the wearing down of rock particles by water, wind, or ice.

1. Skin injuryB2formalmedical

   An area where the skin is scraped or worn away, typically caused by friction or rubbing.

   擦伤

   • The cyclist suffered a minor abrasion on his knee after falling.
   • Clean the abrasion with antiseptic to prevent infection.
   • She had a painful abrasion on her elbow from the rough pavement.

   同义词chafeexcoriationgrazescrapescratchwound

2. Erosion by frictionC1formaltechnical

   The process of wearing away a surface by rubbing or scraping, often caused by mechanical action.

   磨损

   • The constant abrasion from the sandpaper smoothed the wood surface.
   • Abrasion from wind and water gradually shaped the canyon walls.
   • The machine parts showed signs of abrasion after years of use.

   同义词attritionchafingcorrasionerosiongrindingrubbingscraping

3. Geological wearingC1formalscientific

   The wearing down of rock particles by friction due to wind, water, or ice, contributing to erosion.

   地质磨蚀

   • Glacial abrasion carved deep grooves into the bedrock.
   • Wind-driven sand causes abrasion on desert rock formations.
   • The river's current leads to abrasion of the riverbed over time.

   同义词attritioncorrasiondetritionscouring