contemporaneous erosion

• 同时侵蚀

contemporaneous erosion的用法和样例：

例句

1. The cement petrified after many years' erosion.
   经过多年的侵蚀，水泥石化了。
2. Former low domes were planated by wave erosion.
   波浪式的侵蚀将以前的矮圆丘夷成平地。