I let him excavate around the mine.我准许他在金矿周围挖掘.A contractor was hired to drain the reservoir and to excavate soil from one area for replacement with clay.雇了一个承包商抽干水库的水，挖掉一个区域的泥土后再用黏土填上。Fill and level up of the third week...
异氰酸酯可由含氯的环(或非环)状分子氟化而得.The isocyanates can be obtained by the fluorination of nitrogenous cylic or acyclic molecules.一种含氯的碳氟化合物,以前用作制冷剂和喷雾剂罐的推进物.A compressed inert gas a fluorocarbon, that acts a vehicle forthe contents ...
鲍勃死于由他的生活方式引起的心脏病突发。Bob died of a heart attack, brought on by his lifestyle.他最好的朋友在极其可疑的情况下被警察打死了。His best friend was killed by police under extremely questionable circumstances.“我们请她来吃晚饭吧。”——“除非我死了！”"Let's invite h...
Unfortunately the portraits were frauds.不幸的是这些肖像都是骗人的。The frauds have been unearthed by investigators working for the Camden and Islington Health Authority.这些欺诈行为已被卡姆登和伊斯灵顿卫生局的调查人员揭露了出来。He is keen to weed out the many ap...