corrosion
🇺🇸
/kəˈrəʊʒn/
🇬🇧
/kəˈrəʊʒn/
the slow damage or destruction of materials, especially metals, caused by chemical reactions
The metal fence showed signs of corrosion after years of rain and moisture.
经过多年的雨水和湿气侵蚀,金属围栏显示出腐蚀迹象。