aurora

aurora — noun

1. bands of glowing colour — usually green, pink, or violet — that ripple across th

1.名詞C1
釋義

bands of glowing colour — usually green, pink, or violet — that ripple across the night sky in regions close to the North or South Pole, produced when particles from the Sun strike gases high in the atmosphere.

例句

From the cabin window, Sara watched a green aurora ripple above the Norwegian mountains.

countable: 'a green aurora'

The aurora glowed in pink and violet streaks all the way to the horizon.

'the aurora' as a single visible event

同義詞
  • northern lights

    everyday English term for the northern version (aurora borealis); more familiar to general readers

  • southern lights

    everyday English term for the southern version (aurora australis)

  • polar lights

    umbrella term covering both hemispheres; less common in casual speech

文法句型

the aurora

an aurora

用法筆記

Often used with the definite article when describing a specific viewing event ('we saw the aurora last night'). The full Latin names — aurora borealis (north) and aurora australis (south) — are common in scientific writing; in everyday English people simply say 'the aurora' or 'the northern lights'.

常見錯誤

❌I saw the aurora in my hotel room.
✅I saw the aurora from my hotel window.
💡auroras appear in the outdoor sky, so use 'from' or 'above', not 'in [an indoor space]'.
❌The aurora is a kind of cloud.
✅The aurora is a kind of glowing light in the sky.
💡auroras are made of light, not water vapour.