Backfires are fires started by the ground crew that advance toward the burning wildfire.The goal of setting a backfire is to burn up any potential fuel in the path of the progressing wildfire.是什么意思_Backfires are fires started by the ground crew that advance toward the burning wildfire.The goal of setting a backfire is to burn up any potential fuel in the path of the progressing wildfire.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句