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...
She was taken to hospital, apparently amnesiac and shocked.她被送往医院，好像是受了惊吓出现了失忆。Rudolph said no more. Apparently he was a man of few words.鲁道夫没再说话。看来他是个寡言少语的人。Modern tennis rackets are now apparently 20 per cent lighter.现...
She had an operation on her knee at the clinic.她在诊所做了个膝盖手术。He went to a clinic to cure his drinking and overeating.他去诊所戒酒并控制饮食。The clinic felt like Alcatraz. There was no escape.那家诊所令人感觉像四面环水的监牢，无路可逃。...
Neural networks are computer systems which mimic the workings of the brain.神经网络是模拟大脑工作方式的计算机系统。Designing silicon chips to mimic human organs sounds fanciful.设计硅芯片模仿人的器官听上去是异想天开。He could mimic anybody.他可以模仿任何人。...
She prefaced her talk with an apology / by apologizing for being late.她先为迟到表示歉意,然后开始讲话.At first he refused to accept any responsibility but he ended up apologizing.最初他拒不承认有任何责任,到头来还是道了歉.Or that she was apologizing to the...
They spend so much time arguing the toss over inconsequential matters.他们花了这么多时间为无关紧要的事争个没完。We are not dismissing resource problems as inconsequential to development.我们并不把资源问题贬为对发展无关紧要的问题.an inconsequential argument不合逻辑的论...
a thorough grounding in maths全面的数学基础训练He has a good grounding in Chinese.他的汉语底子厚.The degree provides a thorough grounding in both mathematics and statistics.该学位课程将为数学和统计学打下扎实的基础。The philosophical grounding for the cognit...