asperity
词根词缀：
asperity n. 粗暴
asper 粗糙 + ity 表性质 → 粗暴
exasperate v. 激怒；使恶化
ex 使… + asper 粗糙 + ate 使… → 使变得粗糙 → 使恶化
exasperation n. 愤怒
exasperate的名词
数据来源：新东方英语词汇速记大全
相关例句：
A shallow earthquake asperity model for predicting near field strong ground motions was systematically characterized.
系统地描述了近场强地震动预测中浅源地震的凹凸体模型特征。
Answered her mother, with an asperity that she had never permitted to herself before.
她母亲回答说，语气之严厉，是她以前从来不准自己有的。
The establishing methods of physical model and mathematic model of the contact characteristics of surface asperity for pin-on-disc sliding wear were designed, and the testing simulation model of pin-on-disc sliding wear was deduced from the wear debris produced by the asperity contact.
以销盘滑动磨损为研究对象，建立了表面微凸体接触特性的物理模型和数学模型，由微凸体接触产生的磨屑推导出销盘滑动磨损仿真模型。
A theoretical analysis of asperity contact is conducted for rolling point contact under oil lubrication condition.
对油润滑条件下椭圆接触滚动表面的粗糙峰接触作了理论分析。
Most instrument ball bearing applications introduce a lubricating fluid to the contacts with the ideal goal of achieving complete surface asperity separation.
绝大多数的滚珠轴承应用流体润滑剂来实现完全隔离表面粗暴接触（摩擦）的理想目标。
Main Bearing Lubrication Analysis Considering Crankshaft Elastic Deformation and Asperity Contact
考虑曲轴倾斜和摩擦接触的主轴承润滑分析