deficiency /dɪˈfɪʃənsi/ noun plural deficiencies
plural deficiencies
Learner's definition of DEFICIENCY
1
: a lack of something that is needed : the state of not having enough of something necessary缺乏；缺少；不足 [count]
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The disease may be caused by nutritional deficiencies.这种病可能是由于营养不良造成的。
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The book's major deficiency is its poor plot.这本书的主要缺点是情节过于单调。
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a deficiency of vitamin C缺乏维生素C
[noncount]
2
[count] : a problem in the way something is made or formed缺点；缺陷