1·Fire groups were fighting the fire on Sunday when a sudden change of wind direction caused "a huge fireball".
周日，消防队正在灭火，突然风向改变，造成“一个巨大的火球”。
2·His influence extends even to people who have never conjured a fireball in anger.
他甚至影响到了那些从来没有召唤过愤怒的火球的人。
3·Video shot by a photographer from News 8 TV in Austin showed what appeared to be a meteor-like white fireball blazing across a clear blue sky Sunday morning.
奥斯汀新闻第8频道电视台播放了一位摄影师拍摄的视频，画面显示一个像是流星的白色火球剧烈燃烧着划过星期日清晨的蓝色天空。
4·The initial rapid expansion of the fireball severely compresses the surrounding atmosphere, producing a powerful blast wave.
火球最初的迅速膨胀剧烈地压缩着周围的大气，产生了威力巨大的冲击波。
5·It was travelling within Mexico, en route from an explosives plant to a mine, with a cargo of 25 tons of ammonium nitrate. The wreckage exploded in a giant fireball, killing more than 30 people.
这辆卡车正载着25吨硝酸铵行驶在墨西哥境内一个炸药厂通往一个煤矿的路上，爆炸形成了一个巨大的火球，造成至少30人死亡。