erosion

名词 erosion:

1. (geology) the mechanical process of wearing or grinding something down (as by particles washing over it)
   同义词：eroding, eating away, wearing, wearing away
2. condition in which the earth's surface is worn away by the action of water and wind
3. a gradual decline of something
4. erosion by chemical action
   同义词：corrosion, corroding

1. A hole or worn spot made by abrasion or erosion.
   侵蚀处由于侵蚀或磨擦形成的洞或破处
2. A closely woven mat of brush and poles used to protect an embankment, a dike, or a dam from erosion.
   (用以护堤、坝等的)柴排，沉排，沉床荆棘和杆子的密织席，用于保护堤、坝，使不受侵蚀
3. They had to face the steady erosion of the president's credibility.
   他们不得不面对总统的威信日渐丧失的局面。
4. The erosion of the coastline by the sea was ignored by people.
   海水对海岸的冲刷被人们忽视了。

e.ro.sion

n.（名词）
The process of eroding or the condition of being eroded:
腐蚀，侵蚀：腐蚀的过程或被腐蚀的状态：
例句：
erosion of the beach; progressive erosion of confidence in our legal system; erosion of the value of the dollar abroad.
海岸的腐蚀；对我们司法体制信心的逐步削弱；海外美元价值的贬低

The group of natural processes, including weathering, dissolution, abrasion, corrosion, and transportation, by which material is worn away from the earth`s surface.
腐蚀，侵蚀：指使材料从地表磨损、消耗的一组自然过程，包括风化、溶解、磨蚀、浪蚀、腐蚀和搬运

来源：
Latin ôrôsiô ôrôsiôn- [an eating away]
拉丁语 ôrôsiô ôrôsiôn- [蚕食]
from ôrôsus [eaten away] * see erose
源自 ôrôsus [被侵蚀掉] *参见 erose

【引伸】
ero.sional
adj.（形容词）
ero.sionally
adv.（副词）