aurora

名词 aurora:

1. the first light of day
   同义词：dawn, dawning, morning, first light, daybreak, break of day, break of the day, dayspring, sunrise, sunup, cockcrow
2. an atmospheric phenomenon consisting of bands of light caused by charged solar particles following the earth's magnetic lines of force
3. (Roman mythology) goddess of the dawn; counterpart of Greek Eos

au.ro.ra

n.（名词）
Aurora borealis.
北极光
Aurora australis.
南极光
The dawn.
黎明

来源：
Middle English [dawn]
中古英语 [黎明]
from Latin aurôra * see aus-
源自 拉丁语 aurôra *参见 aus-

【引伸】
auro.ral 或
auro.rean
auro.rally
adv.（副词）