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...
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...
多亏一块1/4英寸厚的防弹钢板，他才捡了条命。His life was saved by a quarter-inch-thick bullet-proof steel screen.其中一些人质得以获释多亏了杰西·杰克逊。Jesse Jackson was instrumental in the release of some of the hostages.多亏了她还有一只手空着才没让自己倒下去。She checked her fa...
Etna is Europe's most active volcano.埃特纳山是欧洲最活跃的火山。For several weeks, Italy's Mount Etna has been rumbling with volcanic activity.几个星期来, 意大利的蒙特·艾特纳的火山轰轰隆隆.How does Etna produce its fiery mix of magmas?埃特纳如何制造出它...
At the end of the fifteenth century , the Faubourg strides across, passes beyond, and runs farther.早在十五世纪末, 那城廓就被跨越,被超过了, 关厢也跑得更远了.After the end of the fifteenth century, inquisitions were headed by a Grand Inquisitor.在第...