名词 (n.) 粗糙；粗俗；粗劣。指事物质地粗糙、不精细，或指言行举止粗鲁、缺乏教养。
/krs.ns/
The coarseness of the fabric made it uncomfortable to wear.
这种布料的粗糙感让人穿着很不舒服。
She was shocked by the coarseness of his language, which seemed entirely out of place at such a formal gathering.
她被他粗俗的言语震惊了，这在如此正式的聚会上显得格格不入。
coarseness 由形容词 coarse 加后缀 -ness 构成。coarse 一词最早出现于15世纪的英语中，原意为"普通的、粗劣的"，可能源自短语 in course（按照通常的方式），意即"普通的、一般的"，后来逐渐引申出"粗糙的""粗俗的"含义。后缀 -ness 是英语中常见的名词后缀，表示某种性质或状态。
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