unproductive什么意思解释？

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]...

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...

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。...

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...

“斑点的”的英语可以翻译为：flecky ...

“流掉”的英语可以翻译为：drain，run off ...

centiliter的音标：centiliter的英式发音音标为：['sentɪˌli:tə]centiliter的美式发音音标为：['sentəˌlitə]...

...

抗抑素...

n.二亚砷酸盐...

witch的现在进行时为：witching...

She is having an ear to the gound.她在注意暗中发生的事情....

“粒度计”的英语可以翻译为：hondrometer，granulometer ...

A picture of Rory O'Moore hangs in the dining room at Kildangan.一幅罗里·奥穆尔的画像挂在基尔丹根的餐厅里。"He's gone," Rory whispered in sepulchral tones.“他已经走了，”罗里阴沉地小声说道。It may interest you to know that a boy answering Rory'...

n.草嗪...

n.开花，风化，渗斑...

One who cuts , polishes, or engraves gems.玉石匠开凿 、 磨光或雕刻''.'玉石'. ''的人....soap powders, detergents, and polishes.肥皂粉、洗涤剂和擦亮剂The bronze still hanging in the side wall, polishes.那铜牌仍旧挂在侧墙上, 被擦得铮...

megaloureter的音标：megaloureter的英式发音音标为：[megələjʊ'ri:tə]megaloureter的美式发音音标为：[megələjʊ'ritə]...

“沿边”的英语可以翻译为：edgewise，edgeways ...