rarefy

英 美

网络  使稀少; 稀薄; 使稀薄; 变稀薄; 使稀少,使稀薄

过去式：rarefied过去分词：rarefied现在分词：rarefying第三人称单数：rarefies

TOEFL

BNC.42344 / COCA.34861

英英释义

verb

  1. weaken the consistency of (a chemical substance)

      Synonym:    attenuate

    1. make more subtle or refined

        Synonym:    sublimatesubtilize

      1. lessen the density or solidity of
        1. The bones are rarefied

      点击展开全文

      考试分类

      行业分类

      柯林斯词典词频分级词汇

      其他分类