- (often disapproving)
understood or experienced by only a very small group of people who share a particular area of knowledge or activity 高深精妙的;曲高和寡的 the rarefied atmosphere of academic life 阳春白雪的学术生活氛围
(of air )空气 containing less oxygen than usual 稀薄的;含氧量低的 Climbers may experience difficulty breathing in the rarefied air at high altitudes. 登山者可能会在高海拔的稀薄空气中呼吸困难。