成千的人宣称曾看到过球状闪电——那是一个白热的大致球状的光球，通常在雷暴雨中出现——但是对于球状闪电的细节部分的描述却是千变万化。
Thousands of people claim to have seen ball-lightning—glowing, roughlyspherical balls of light, usually produced around the time of athunderstorm—but the details of these sightings vary enormously.
白热，炽热由一加热到发光的物体产生的光；白热。
A light produced by a body heated to luminosity; incandescence.
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