英语词汇elderly dependency ratio怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	elderly dependency ratio
释义	elderly dependency ratio 简明释义老年抚养比率双语例句 1 In rural areas the dependency ratio will rise far more steeply than in cities as young people move out and the elderly stay behind. 由于农村地区的年轻人移居城镇，把老年人滞留在农村，农村地区的抚养系数将会比城市的抚养系数上升幅度更大。
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英汉双解词典包含3185865条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。