erosion

侵食

風、水、氷によって土や岩が少しずつ削られ、運ばれること。

やさしい英語で： The gradual removal of soil or rock by wind, water, or ice.

• Trees help prevent soil erosion.
• Heavy rain caused erosion along the river.
• The cliff shows clear signs of coastal erosion.

よく使う表現： soil erosion, coastal erosion, prevent erosion

低下、衰退

力、量、価値などが少しずつ失われていくこと。

やさしい英語で： A slow decrease in the strength, amount, or value of something.

• There has been an erosion of trust.
• Inflation caused a steady erosion of our savings.
• The report warned of further erosion of workers’ rights.

使い方： erosion of something (The scandal led to an erosion of public trust.)

類義語： decline, weakening

よく使う表現： erosion of trust, steady erosion

びらん

皮膚などの組織の表面が失われてできた、浅い傷。

やさしい英語で： A shallow damaged area where the surface of the skin or other body tissue has worn away.

• The doctor found a small erosion.
• Several erosions appeared on the stomach lining.
• The skin erosion healed within a week.

類義語： surface lesion

よく使う表現： skin erosion, gastric erosion