基本释义:
vt.使稀薄; (思想等)精炼; 使纯化; 使变得精妙深奥
词性变化
第三人称单数:rarefies;过去式:rarefied;过去分词:rarefied;现在分词:rarefying;英英释义
Verb1. lessen the density or solidity of;
"The bones are rarefied"
2. make more subtle or refined
3. weaken the consistency of (a chemical substance)