名词
1. （气候等的）侵蚀，腐蚀
Erosion is the gradual destruction and removal of rock or soil in a particular area by rivers, the sea, or the weather.
2. （权威、权利、信心等的）逐渐丧失，削弱
The erosion of a person's authority, rights, or confidence is the gradual destruction or removal of them.
3. （支持的）减少;（价值的）降低;（货币的）贬值
The erosion of support, values, or money is a gradual decrease in its level or standard.
1. erosion by chemical action
2. (geology) the mechanical process of wearing or grinding something down (as by particles washing over it)
Synonym: erodingeating awaywearingwearing away
3. a gradual decline of something
e.g. after the accounting scandal there was an erosion of confidence in the auditors
4. condition in which the earth's surface is worn away by the action of water and wind