Humid environment reflective lenses rust easily , or are likely to cause a short circuit sparking discharge laser 潮湿环境容易使反射镜片生锈，同时也容易造成电路短路或激光器放电打火。
In europe , the combination of steel , flint and tinder remained the main method of fire - lighting until the mid 19th century 在欧洲，保持钢、打火石和火绒的化合物作为点火的主要方法一直持续到19世纪中期。
First , i ran downstairs . next , i called the fire alarm . then , i rushed into the burning house . finally i rescued two children 首先我跑下楼。之后打火警电话，再之后我冲进燃烧的屋子，最后我救出两个小孩。
A small firework consisting of some gravel wrapped in tissue paper with a percussion cap that explodes when thrown against a hard surface 掼炮一种由草纸包住一些砾石制成的小型鞭炮，其打火帽在与坚硬表面撞击时发生爆炸
My survival gear is made up of three objects : a neck knife with compass and spark rod , an orange bandana , and the main kit 我的生存装备由三部分组成：一把和指南针以及打火棒系在一起的颈刀、一张橘红的大手帕和主要工具包。
Do what he would , behind the little counter , as to the striking of a light and the lighting of his pipe , he was troubled , and his hand was not trustworthy 他在小柜台后面打火点烟斗，可无论做什么那手总有点不听使唤，心里也很乱。
Percussion methods of fire - lighting date back to paleolithic times , when some stone age tool - makers discovered that chipping flints produced sparks 打击生火方法的日期要返回到旧石器时代，当一些石器时代工具生产者发现打火石碎片产生火花。
Then , leaving joyce to guard them - one man , to be sure , but with half a dozen muskets - hunter and i returned to the jolly - boat , and loaded ourselves once more 然后，把乔埃斯留下来守卫着它们的确，只有一个人，但是带着半打火枪亨特和我则又返回到划子上，再次负重前行。
“ sunflower ” lighter flints are world - famous products . this trademark has been registered at home and aboard . it adopts advanced technology and possesses good reputation in markets all over the world “葵花牌”打火石是世界公认的名牌产品，在国内外均有注册，具有较高的科技和市场含金量。
" he seems to have a mania for diamonds , " said morcerf , smiling , " and i verily believe that , like potemkin , he keeps his pockets filled , for the sake of strewing them along the road , as tom thumb did his flint stones . “他好象是有钻石癖， ”马尔塞夫微笑着说道， “我确信他象俄国亲王波亭金一样，一定在口袋里装满了钻石，沿路抛撒，就象小孩子撒打火石似的。 ”
