1.Pakistani authorities described that incident as an accidental explosion in a militant hideout and did not confirm the killing of al-Libi.
巴基斯坦当局称那次袭击是在激进分子藏身地的意外爆炸，没有证实利比被炸死。
2.Due to the serious security situation of the world, the bomb attack and accidental explosion is obviously more than before.
这些年来，随着国际安全局势的紧张，炸弹恐怖袭击和突发爆炸事件明显增多。
3.A lot of people get hurt by the accidental explosion of the fireworks.
许多人因烟花的意外爆炸而受伤。其中