aura

aura
/ˈɔ:rə; `ɔrə/ n
distinctive atmosphere that seems to surround and be caused by a person or thing （发自某人或某物而环绕其周围的）特殊气氛; 氛围
    She always seems to have an aura of happiness about her. 她好像总是喜气洋洋的.

牛津英汉双解词典