rarefy

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