| 释义 |
rarefy/ˈrɛərifai/v. (also 亦作 rarify) (-ies, -ied) 1 tr. & intr. make or become less dense or solid 使(或变)稀薄；使(或变)稀松 rarefied air 稀薄的空气 2 tr. purify or refine (a person's nature etc.) 使(人的品性)纯洁，净化 3 tr. make (an idea etc.) subtle 使(想法等)精细，精妙 □ rarefaction /-ˈfækʃ(ə)n/ n.□ rarefactive /-ˈfæktiv/ adj.□ rarefication /-fiˈkeiʃ(ə)n/ n.[Middle English via Old French rarefier or medieval Latin rarificare from Latin rarefacere, from rarus ‘rare’ + facere ‘make’] |