deficient
[dɪˈfɪʃənt]
adj.
不足的，缺乏的;
有缺陷的;
不充分的;
短少;
例句:
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a diet that is deficient in vitamin A
缺乏维生素A的饮食
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A diet deficient in vitamin D may cause the disease rickets.
缺少维生素D的饮食可能导致软骨病.
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An educational system which fails to teach basic arithmetic is seriously deficient.
一个沒教基础算术知识的教育体制是有严重缺陷的.
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Interesting implications for improving deficient time sense might arise.
来自NEWYORKER
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I am not deficient in an appreciation of the humorous.
来自P. G. Wodehouse
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Reporting...is seriously deficient in areas tangential to the main argument.
来自Nature