Darby was looking for a way to improve iron when he hit upon the idea of smelting it with coke instead of charcoal.达比一直在寻找改善铁质的方法，他猛然想到可以不用木炭熔炼，而改用焦炭。That morning we fired our first kiln of charcoal.那天上午，我们烧了我们的第一窑木炭。Chu...
a clampdown on drinking and driving严禁酒后驾车A police clampdown on car thieves hit a snag when villains stole one of their cars...警方打击偷车贼的行动遭遇了一点小挫折：匪徒偷走了一辆警车。...a clampdown on the employment of illegal immigrants...对雇用非法移民的...
可是低垂的天际,不免让人眼里心底都是闷闷的倍感压抑.However, the skyline is making people somehow emotionally constrained.就此吻别,泪滴落你低垂的眉.With a kiss and tear on thy drooping brow.低垂的尾巴.Crank tail —— tail carried down....
He was rector of All Hallows Church in Wellingborough.他是韦灵伯勒万圣教堂的教区长。In this context, Hallows would be the souls of the departed.在此种语境下, hallows意为离去之人的灵魂.All Saints'Day also All Hallows'Day ( 1 November )万圣节 ( ...
After the 1960 s, China began to inoculate BCG, pertussis, diphtheria, tetanus, measles and poliomyelitis vaccines.六十年代后, 中国开始在大、中城市接种卡介苗 、 百日咳 、 白喉 、 破伤风 、 麻疹、脊髓灰质炎的疫苗的工作.Anti-malarial vaccines are now under-going trial...
He was drowned in a shipwreck off the coast of Spain.他在西班牙海岸附近的一次海难中溺水身亡。Her voice was drowned out by a loud crash.她的声音被一声响亮的撞击声所淹没。His sailing instructor fell overboard and drowned during a lesson.他的航海教练在一次训练课时从船上失足跌入水中...
Imes removed his greatcoat from the cloakroom.艾姆斯从衣帽间取出他的大衣....an army greatcoat.军大衣Frank came in, his greatcoat over his arm, and handed it to Tony.弗兰克拿着自己的大衣进来了, 顺手把大衣递给了托尼.He bought a greatcoat for himself of soothing...
Halogen atoms contain seven electrons in their valence shell.卤原子在它们的介电子层含有七个电子.Without doubt chloroform is one of the most important compounds containing a carbon - halogen bond.毫无疑问,氯仿是含碳?卤键的最重要的化合物之一.The formation of p...