n. 1.粗糙；凹凸不平，崎岖；蓬乱。 2.粗暴；狂风暴雨。 3.未加工。 4.难听，刺耳；味涩；不调和。 5.概略。 6.【工业】粗糙程度。
harsh or severe speech or behavior; "men associate the roughness of nonstandard working-class speech with masculinity"; "the roughness of her voice was a signal to keep quiet"
an unpolished unrefined quality; "the crudeness of frontier dwellings depressed her" 同义词：crudeness,
a texture of a surface or edge that is not smooth but is irregular and uneven 同义词：raggedness,
the quality of being unpleasant (harsh or rough or grating) to the senses 同义词：harshness,
the formation of small pits in a surface as a consequence of corrosion 同义词：pitting, indentation,
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