erosion

• 指地表或材料在自然力（如水、风、冰等）作用下逐渐被破坏、磨损或剥蚀的过程。

A noun referring to the gradual wearing away or destruction of the Earth's surface, or other materials, by natural forces such as water, wind, or ice.

不可数

1. Geological processB2formalscientific

   The gradual wearing away of the Earth's surface by natural forces such as wind, water, or ice.

   侵蚀

   • Coastal erosion has destroyed several beaches along the shore.
   • Soil erosion is a major problem for farmers in this region.
   • The Grand Canyon was formed by millions of years of erosion.

   同义词abrasionattritioncorrasiondenudationdisintegration

   反义词accretionaccumulationdeposition

2. Material degradationB2formaltechnical

   The gradual destruction or deterioration of a material due to friction, chemical action, or other processes.

   材料侵蚀

   • The erosion of the metal pipes was caused by acidic water.
   • Engineers are studying the erosion of the bridge's concrete supports.
   • Regular maintenance can slow down the erosion of building materials.

   同义词abrasionattritioncorrosiondeteriorationdisintegrationwear

3. Gradual declineC1formal

   The gradual reduction or weakening of something abstract, such as confidence, values, or authority.

   逐渐衰落

   • There has been a steady erosion of trust in the government.
   • The erosion of traditional values concerns many older people.
   • Economic pressures led to the erosion of workers' rights.

   同义词attritioncorrosiondeclinedeteriorationdiminutionweakening

   反义词consolidationreinforcementrestorationstrengthening