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俚语(slang,words and phrases or particularmeanings of words in common informal use but generally not regarded as standard in a languagesuch expression used specified profession or class,etc.在当今英语语汇里广为流行,这些词往往寿命不长,但其中一部分已被吸收进英语的标准词汇之中.例如:to make a row,to hol