fireballs

例句:

• The collective nuclear fireballs cooled to yellow and then dull red.
  集群核火球冷却到黄色,然后变成暗红.
  
• Are Gamma - ray Bursts due to Isotropic Fireballs or Cylindrical Jets?
  伽玛射线暴:各向同性火球还是柱形喷流?
  
• I Lingheng sound of a hand put fireballs fly.
  我冷哼一声,伸手便把火球打飞.
  
• Two fireballs have already been observed over the US and Canada.
  来自THETIMES
• Fireballs were followed by white flashes that lit up the sky.
  来自NEWYORKER
• Whenever political concerns override good engineering decisions, giant fireballs kill astronauts.
  来自SA