What they actually saw was ball lightning, which is when a bright light, usually spherical or pear-shaped, hovers, bounces or moves about before disappearing with a loud bang.

 
  • 實(shí)際上他們所見(jiàn)到的是球狀閃電,這種閃電,一般呈球狀或梨形,在一聲巨響之后,不會(huì )馬上消失,而是在附近盤(pán)旋,彈跳或來(lái)回移動(dòng)。
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