n. 1.锐利；尖锐。 2.锐度。 3.高音；锐音。 4.严厉；剧烈。 5.严酷；刻薄。 6.敏捷；机灵。
harshness of manner 同义词：asperity,
the quality of being sharp and clear 同义词：distinctness,
thinness of edge or fineness of point 同义词：keenness,
the quality of being keenly and painfully felt; "the sharpness of her loss"
a strong odor or taste property; "the pungency of mustard"; "the sulfurous bite of garlic"; "the sharpness of strange spices"; "the raciness of the wine" 同义词：pungency, bite, raciness,
the attribute of urgency in tone of voice; "his voice had an edge to it" 同义词：edge,
a quick and penetrating intelligence; "he argued with great acuteness"; "I admired the keenness of his mind" 同义词：acuteness, acuity, keenness,
例句与用法
1.
An edge of sharpness crept into sam's voice . 萨姆的语音变得尖锐起来。
2.
If two people are of the same mind, their sharpness can cut through metal . 二人同心，其利断金。
3.
Roundness depends on the sharpness or radius of curvature of the edges . 浑圆度取决于边角的锐度或曲率半径。
4.
We use nonparametric tests, we lose sharpness in estimating intervals . 使用非常数检验我们失掉了估计区间的灵敏性。
5.
He stared up with a pathetic sharpness of glance from under his shaggy eyebrows . 他的眼睛从灰白的粗眉底下往上瞧，眼神悲哀而锐利。
6.
Shape describes the form of the particle without reference to the sharpness of its edges . 形状描述该颗粒外形，不考虑颗粒边角的锐度。
7.
The sharpness of the transition implies that a very high electric field exists at the interface . 跃变的急剧性，意味着在界面上存在着一个很强的电场。
8.
The definition and sharpness of the images depends on the light density of the surroundings and on the magnification . 象的分辨力和清晰度取决于周围背景的光密度和放大率。
9.
He had seen them shape the knives from white-hot metal, temper them in cold water, then hone them to glistening sharpness . 他见到过他们把白热的金属做成刀，在冷水里淬火，然后再把它们磨得锋利锃亮。
10.
The shot of a rifle loses its sharpness in the moist air, and its smoke moves in a tardy little cloud towards the green rise . 枪弹在这雨天里失去了锐音，它的硝烟像一朵小云彩，向那青青的山冈缓缓飘去。
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