aurora bo.re.al.is

aurora-borealis的音标和读音：
DJ音标发音： [ˌbɔ:ri:ˈælis, ˌbour-]
KK音标发音： [ˌbɔriˈælɪs, ˌbor-]

aurora-borealis的词性：
n.（名词）

1. Luminous bands or streamers of light that are sometimes visible in the night skies of northern regions and are thought to be caused by the ejection of charged particles into the magnetic field of the earth.Also called northern lights
北极光：通常在北部地区可看到的夜空中的发光带或光流，通常认为由带电粒子射入地球磁场引起也作 northern lights

aurora-borealis的词源：

2. New Latin aur?ra bore3lis
现代拉丁语 aur?ra bore3lis

3. Latin aur?ra [dawn]
拉丁语 aur?ra [黎明]

4. Latin bore3lis [northern]
拉丁语 bore3lis [北部]