名词
中文翻译：饥饿信号
同义词：
['hunger signal', 'hunger indicator']
例句：
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1.The lack of food is a common cause of hunger in developing countries.
食物的缺乏是发展中国家常见的饥饿原因。
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2. The hunger sign has been interpreted as a warning that the population is suffering from malnutrition.
饥饿信号被解释为一个警告，表明人口正在遭受营养不良。
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3. The government issued a new policy to address the issue of hunger and improve nutrition standards.
政府发布了一项新政策来解决饥饿问题并提高营养标准。