12-12-08 澳大利亚一名11岁的女生带着一枚手雷参加班里的展示讲解活动，结果导致全校450名学生和60名教师紧急疏散。 A school in Australia has been evacuated after an 11-year-old girl brought a hand grenade（手榴弹） to show-and-tell. A police bomb squad removed the...