This freaky phenomenon is ball lightning.
这种奇异的现象被称作球形闪电。
Ball lightning seems an obvious explanation, says Dr Hughes.
休斯博士说，球状闪电似乎是个明显的解释。
One strange form of lightning is called ball lightning.
球状闪电是一种奇怪的闪电类型。
This highlights a problem faced by people proposing theories of ball lightning .
这使得球状闪电理论的提出者所面临的一个问题凸显出来。
You can be struck by a golf ball, you can be hit by lightning, you can have a golf cart accident.
你可能被高尔夫球击中，被闪电劈到，还可能会发生高尔夫球车事故。
Natural ball-lightning can last for many seconds.
当微波源被关闭后，天然的球状闪电能持续更多秒。
Natural ball-lightning can last for many seconds.
当微波源被关闭后，天然的球状闪电能持续更多秒。
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