I've had a very unproductive day.我这一天什么事都没干成。Research workers are well aware that much of their time and effort is unproductive.研究人员很清楚，他们的很多时间和精力全都是白费。...increasingly unproductive land.越来越贫瘠的土地One quarter of the co...
I've had a very unproductive day.我这一天什么事都没干成。One quarter of the country is reckoned as unproductive.该国四分之一的土地被认为是不毛之地.To prospect for ( oil, for example ) in an area supposed to be unproductive.盲目开掘在认为资源不足的地区盲目找 ( 如...
Carbon dioxide is a necessary result of the oxidation of carbon compounds.碳化合物氧化后必然会产生二氧化碳。These compounds bind with genetic material in the liver.这些化合物在肝脏中与遗传物质实现结合。Sulphur-containing compounds are often prefixed by the...
The heavy equipment was sabotaged, the lighter equipment stolen.这样一来,重型设备遭到了蓄意毁坏, 小设备不翼而飞.They sabotaged the railway lines so that the trains could not run.他们故意把铁路破坏掉,使得火车开不了.The main pipeline supplying water was sabotag...
Anton the chef concocts a sensual coupling of lobster and asparagus.厨师安东用龙虾和芦笋搭配，制作出了一道口感很好的菜肴。Before driving away, re-check the trailer coupling.开走之前，再检查一下拖车的挂钩。The technique requires the coupling of a particle accelera...