名词
1. （对敌人造成的）削弱，耗损
Attrition is a process in which you steadily reduce the strength of an enemy by continually attacking them.
2. 人员减缩;人员流失
At a university or place of work, attrition is the decrease in the number of students or employees caused by people leaving and not being replaced.
1. the act of rubbing together
wearing something down by friction
2. a wearing down to weaken or destroy
e.g. a war of attrition
3. sorrow for sin arising from fear of damnation
Synonym: contritioncontriteness
4. the wearing down of rock particles by friction due to water or wind or ice
Synonym: grindingabrasiondetrition
5. erosion by friction