单词asperity
n.: 严厉
网络: 粗暴；严酷；粗糙
（尤指语言、态度）粗暴，严厉:
the fact of being rough or severe, especially in the way you speak to or treat sb
艰苦条件
不平滑
粗暴;严历
板着脸
严厉
尖刻
(性格)刻薄;(语言)粗暴
粗糙度
凸起物;表向粗糙
(表面)粗糙,(气候)严酷;(声音)刺耳
复数：asperities
n.severitybrusquenessharshnesssharpnessastringency
n.affability
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。
At present, goggles myopic lens into the surface of the mirror and asperity absolutely flat mirror the two major types.
目前近视泳镜的镜片分为表面微凸镜面和绝对平面镜面两大类型。
"Yes, flowers, " my mother replied with some asperity, as though she would have nothing said or implied against flowers.
“是的，花儿，”我妈妈回答，声音有点严厉，似乎她不许人家说——或者暗示——反对花儿的话。
Even the compliment did not soften the asperity of the maimed beauty.
就连这句奉承话，也没有使这个残废的美人儿稍微平和一点儿，不那么刻薄。
Recall the attributes of wabi-sabi: asymmetry, asperity, simplicity, modesty, intimacy, and the suggestion of a natural process.
回顾一下wabi-sabi的特性：不对称，粗糙，简单，朴素，亲切，合乎自然过程的联想。
At such contacts the scale can slide up the asperity, so that the retched mechanism is not operative.
在这种接触中，鳞片能滑过对方的粗糙表面，所以棘轮机理不起作用。
With the increasing ratio of second-order asperity height to first-order asperity height, shear strength first increases and then decreases.
随着二阶起伏度与一阶起伏度比值的增大，剪切强度先增大后降低。
High temperatures induced by local asperity contact, activate these additives promoting mild wear at the points of contact.
由局部表面粗糙的接触引起的高温激活这些添加剂，导致在接触点发生轻微磨损。
The shear strength increases with the increasing first-order and second-order asperity heights and normal stress.
节理剪切强度随着一阶和二阶起伏度及法向应力的增大而增大；
She spoke with great authority, with an asperity that didn"t allow for sentimental accountings or ideological projections.
她很有权威的严酷，不允许多愁善感核算或意识形态预测。