词典释义：
释义
n.
the distinctive atmosphere or quality that seems to surround and be generated by a person, thing, or place
气氛，氛围
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the ceremony retains an aura of mystery .仪式保留着一种神秘气氛。
a supposed emanation surrounding the body of a living creature, allegedly visible to some, which is viewed by many spiritualists, mystics, and practitioners of alternative medicine as an essential part of the individual
（据说由生物体散发出的）光影（据称有人看得到，被许多唯灵论者、玄学家和另类医学的实践者看做是个体不可或缺的部分）。
any invisible emanation, especially an odour
（任何看不到的）发散物（尤指气味）。
【医】 （癫痫或偏头痛发作前的）先兆，预感。
词源
"late Middle English （originally denoting a gentlebreeze）： via Latin from Greek, ‘breeze, breath’． Current senses date from the 18th cent．"
