unproductive造句

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 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 ( 如油 )

相关问题
  • unproductive怎么读

    unproductive的音标:unproductive的英式发音音标为:[ˌʌnprə'dʌktɪv]unproductive的美式发音音标为:[ˌʌnprə'dʌktɪv]...
  • unproductive的反义词

    unproductive的反义词有:productive, productive。adj.unproductive的反义词(无生产的;无收益的):productive。unproductive的反义词(其他释义):productive。...
  • unproductive造句

    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...
  • unproductive什么意思解释?

    adj.不毛的,没有产物的,没有收益的,非生产性的,徒然的,没有效果的...