The hydrocarbon diperchlorate products have utility as detonatable sensitizers for explosives and alkylating agents.二过氯酸烃基酯产物可用作起爆药的敏化剂及作为烷化剂.Explosives were first written about only 600 years ago.仅仅在大约600多年之前,才有最初的记载.Po...
Police closed nearby Dickinson Avenue where a state police explosives expert neutralized it four hours later.四小时后,州警方的拆弹专家排除了这起“诈弹”.Following the discovery of the explosives the president cancelled his visit to the local...
理科教师詹姆斯·伍德因为掌掴一名男生而被开除。Science teacher James Wood was sacked for slapping a schoolboy.安德鲁狠狠掴了他一巴掌，声音响亮干脆。There was a resounding slap as Andrew struck him violently across the face.我重重地掴了他一记耳光。I slapped him hard across th...
你用的胶卷感光度是多少?What's the speed of the film you're using?从理论上来讲, 数码相机的感光度越高,拍摄效果越好.Theoretically speaking, the higher sensitivity of digital camera to photograph the better.和我们用普通胶卷时的感光度差不多.And we use sensitivity ...