1. 形容詞
   多餘的, 過剩的
   不必要的, 多此一舉的
   過量的
   

   同義字詞
   excess,extra,redundant,spare,supernumerary,surplus
   

例句

1. An alarm clock was superfluous .
2. Sale of superfluous or unsuitable land.
3. Many signals are considered as superfluous .
4. Now, enter the principle of superfluous parts.
5. What should preserve us from superfluous cares?
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