adj [usu attrib 通常作定语] 用法: 1 (of gases) less dense than is normal; thin (指气体)稀薄的: the rarefied air (ie with little oxygen) of the Andes 安第斯山脉的稀薄空气(缺氧). 用法: 2 (fig 比喻) (of ideas, etc) subtle and refined; lofty and exclusive (指思想等)缜密而纯正的, 清高的: dons living in a rarefied academic atmosphere 生活在纯净的学术气氛中的大学教师. |