1 N-UNCOUNT 污言秽语;淫秽作品(或图片) If you refer to words or pictures that are related to sex as smut, you disapprove of them because you think they are rude and unpleasant and have been said or published just to shock or excite people. 污言秽语;淫秽作品(或图片) [disapproval]
2 N-UNCOUNT (煤烟之类的)脏东西 Smut or smuts is dirt such as soot which makes a dirty mark on something. (煤烟之类的)脏东西
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