原来，由于他身上还有一根长长的绳子，绳子的另一头是他的野外生存套装背包，而背包先落地，把地面尘土高高扬起，瞬间把直径10英尺范围内的火焰给灭了，结果他没有被烧伤。

He wasn't burned because the survival kit attached to him by a long cord hit the ground first, throwing up a dust cloud that put out the fire in a 10-foot circle. He was surrounded by flames.

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头和躯体都由火焰笼罩着。

Flames covered its head and body.

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火焰检测头的清洗；

The flame detection head cleaning;

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