取火：打火器的历史：a history of fire-makers a history of fire-makers 内战：观念中的历史：a history in ideas 叱咤风云：核武器的历史：a history of nuclear weapons 潜蛟出水：海军的历史：a history of the navy 创新：一部新事物的历史：a history of the new 走路的历史：a history of walking 闺蜜：女性情谊的历史：a history of female friendship 神兵劲旅：特种部队的历史：a history of special forces