| 释义 |
rarefaction `reərɪˈfækʃən n. 稀薄化 【类】refine : purification / attenuate : rarefaction (同义:提纯→纯化/使稀薄→稀薄) 反义词:condensation(浓缩) 【记】rarefy(使稀薄)+action rarefaction ˌrɛəriˈfækʃən n.稀薄化 【记】源于:rare(adj.稀罕的) 【类】refine:purification=attenuate:rarefaction提纯=使稀薄(同义) 【反】condensation(n.浓缩) |