
aurora
词源
源自拉丁语aurora(黎明),与希腊神话Eos(厄俄斯)同源,后经文艺复兴时期重新流行,17世纪起用于指代极光现象。
noun
❶ 极光,指地球南北极附近夜空中出现的自然光现象,由太阳带电粒子与大气层碰撞产生,呈现绿色、红色等绚丽色彩。
“We traveled to Norway to see the aurora borealis.”
(我们专程去挪威看北极光。)
“The aurora danced across the sky like a green curtain.”
(极光如绿色帷幕般在天空中舞动。)
❶ (罗马神话)曙光女神奥罗拉,象征黎明与曙光,常被描绘为驾着战车划破夜空的形象。
“In Roman mythology, Aurora announces the arrival of the sun each morning.”
(罗马神话中,奥罗拉女神每天清晨宣告太阳的到来。)
“The poet described dawn as Aurora's golden chariot crossing the sky.”
(诗人将黎明描绘为奥罗拉的金色战车划过天际。)
常见短语
aurora borealis — 北极光的学名,特指北半球高纬度地区可见的极光现象,常呈现绿色光带。
“The aurora borealis was particularly vivid in Iceland last winter.”
(去年冬天冰岛的北极光异常绚丽。)
aurora australis — 南极光的学名,指南半球对应的极光现象,观测机会较北极光更稀少。
“Few tourists get to witness the aurora australis from Antarctica.”
(很少有游客能在南极洲目睹南极光。)