unfruitful
[ʌn'fru:tfəl]
adj.
不结果实的;
不生子女的;
无效果的;
徒然的;
例句:
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Frequent shots told Ferqusson that his search was not unfruitful.
频频的枪声告诉费尔久逊:打猎是顺利的.
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They have been unfruitful in their efforts.
他们都徒劳而归.
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For if I pray in an unknown tongue , my spirit prayer, but my understanding is unfruitful.
我若用方言祷告 、 是我的灵祷告但我的悟性没有果效.
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Due you intend to continue to behave in this unfruitful fashion?
来自SA
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To some industry participants, closures are just the ETFs market's way of pruning its unfruitful branches.
来自WSJ