形容词
中文翻译：Unknown
同义词：
['insufficient', 'inadequate', 'inadequacy']
例句：
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1. The teacher's explanationwas inadequate for understanding theconcept.
老师的讲解对于理解这个概念来说是不够的。
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2.The company's financial report showed aninadequate return on investment.
公司的财务报告显示投资回报率不充分。
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3. The newpolicy is inadequate to addressthe problem effectively.
新政策不足以有效解决这一问题。