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used to describe a word or phrase, or sometimes an idea , that is unnecessary or has been used several times （词、短语或观点）无用的，多余的，冗赘的 The use of the word "recumbent " is otiose after the word "recline ". 在 recline 一词后面使用 recumbent 肯定是多余的。 返回 otiose