fireball

• 名词，可指明亮的流星或火流星，也指非常精力充沛的人，或像太阳、闪电一样的火球，以及核爆炸中发光的中心。

A noun that can refer to a bright meteor, a very energetic person, a ball of fire like the sun or lightning, or the glowing center of a nuclear explosion.

1. Luminous meteorB2formalscientific

   An exceptionally bright meteor that often explodes in the atmosphere.

   火流星

   • The fireball streaked across the night sky before vanishing.
   • Astronomers recorded a massive fireball explosion above the ocean.
   • Witnesses described a bright fireball followed by a loud boom.

   同义词bolide

2. Energetic individualB1informal

   A person full of energy and enthusiasm, often tireless in their pursuits.

   精力充沛的人

   • She's a real fireball at work, always getting things done.
   • The team captain is a fireball of energy on the field.
   • He's a fireball who never seems to need rest.

   同义词dynamoeager beaverenergizergo-getterlive wirepowerhousewhirling dervish

3. Ball of fireB2formalscientific

   A spherical mass of fire, such as the sun or a ball-shaped lightning discharge.

   火球

   • The sun is a giant fireball at the center of our solar system.
   • Ball lightning appears as a glowing fireball during storms.
   • Ancient myths often described the sun as a divine fireball crossing the sky.

   同义词ball of fire

4. Nuclear fireballC1formaltechnical

   The intensely hot, luminous sphere created at the center of a nuclear explosion.

   核火球

   • The fireball from the nuclear test expanded rapidly.
   • Military simulations show a fireball reaching several kilometers in diameter.
   • The intense light of the fireball blinded observers for minutes.