动词
中文翻译：Unknown
同义词：
['insufficient', 'inadequate', 'insufficiently', 'insufficiently enough']
例句：
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1. The food was not sufficient for the number of people present.
食物数量不足以满足在场的人数。
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2. The teacher's explanation was insufficient to clear up all the doubts.
老师的讲解不足以消除所有的疑问。
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3. The project lacked sufficient resources to complete it on time.
该项目缺乏足够的资源来按时完成。