起侵蚀作用

start to erode

病菌对人体的侵蚀

the eating away of the body by germs

在思想上侵蚀

corruption of the mind

抵制腐朽思想的侵蚀

resist the corrosive influence of decadent thinking

土壤侵蚀

soil erosion

金属的侵蚀

corrosion of metals