英语单词

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unproductive

英 [ʌnprə'dʌktɪv] 美 ['ʌnprə'dʌktɪv]

adj. 非生产性的；徒劳的；不毛的；不生产的

英文词源

unproductive (adj.): 1756, from un- (1) "not" + productive (adj.). Related: Unproductively; unproductiveness.

双语例句

1. I've had a very unproductive day.: 我这一天什么事都没干成。

2. 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。

3. One man's mystical haven for wealth is another's unproductive barbarous relic.: 一个人的神秘的财富庇护所则是另一个人的不毛的荒凉废墟.

4. One - quarter of the country is reckoned as unproductive.: 这个国家有四分之一被认为是不毛之地.

5. The letter was not unproductive.: 信没有白写.