unproductive是什麽意思

unproductive

英 [ʌnprə'dʌktɪv] 美 ['ʌnprə'dʌktɪv]

adj. 非生產性的；徒勞的；不毛的；不生產的

英文詞源

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

雙語例句

1. I've had a very unproductive day.: 我這一天什麽事都沒幹成。

2. Research workers are well aware that much of their time and effort is unproductive.: 研究人員很清楚，他們的很多時間和精力全都是白費。

3. One man's mystical haven for wealth is another's unproductive barbarous relic.: 一個人的神秘的財富庇護所則是另一個人的不毛的荒涼廢墟.

4. One - quarter of the country is reckoned as unproductive.: 這個國家有四分之一被認為是不毛之地.

5. The letter was not unproductive.: 信沒有白寫.

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