The museum is in a financially precarious position.这家博物馆的财政状况不稳定。...the Government's precarious position.政府的危险处境They looked rather comical as they crawled up precarious ladders.他们顺着摇摇晃晃的梯子往上爬，看起来非常滑稽。The financial c...
蒸发的物质能再凝结, 形成新的粒子.Evaporated material can recondense, forming new particles.吸气离子泵通过剩余气体与蒸发的金属之间的化学反应减少了内腔的压力.Getter - ion pumps decrease chamber pressure by chemical reaction of residual gases with an evaporated metal.它通...
To reach the 100 kilowatt target, the laser will require six modules.为了达到100千瓦目标, 激光发生器将要求有六个模块.They pay thirty fen per kilowatt hour.他们每度电付三角钱.A kilowatt is 1000 watt.一千瓦等于一千瓦特....
Despite the mixed metaphor, there is some truth in this judgement.尽管有混用的比喻，这个判断还是有些道理的。a game of football used as a metaphor for the competitive struggle of life用来喻指生活中的激烈斗争的一场足球比赛'This vale of tears'is a metap...