attrition

n.

消耗；消磨；摩擦；（神学）不彻底的忏悔

attrition rate损耗率；退学率

1. Lube can ease attrition, and extend the using time of machines.
   润滑剂能减少摩擦，延长机器寿命。
2. We should learn to respect others so as to avoid attrition and confliction.
   我们应该学会尊重对方，避免摩擦和冲突。
3. But the objective of strategic attrition may also be achieved by campaigns of attrition.
   但达到战略消耗目的的，还有战役的消耗战。

Psychopathology and attrition in the epidemiologic catchment area surveys
Rethinking the Causes and Cures of Student Attrition
An Analysis of Sample Attrition in Panel Data: The Michigan Panel Study of Income Dynamics
Attrition from randomized controlled trials of pharmacological weight loss agents: a systematic review and analysis.
Leaving College: Rethinking the Causes and Cures of Student Attrition. Second Edition.
Leaving College: Rethinking the Causes and Cures of Student Attrition by Vincent Tinto
Global Warming, Elevational Range Shifts, and Lowland Biotic Attrition in the Wet Tropics
Dropouts and turnover: The synthesis and test of a causal model of student attrition
Nanostructured surface layer on metallic materials induced by surface mechanical attrition treatment
An investigation of surface nanocrystallization mechanism in Fe induced by surface mechanical attrition treatment