3,087 个单词和短语 · 21 个主题

词汇

dependency ratio

n.L3 拓展C1

抚养比;非劳动年龄人口与劳动年龄人口之比

英文释义 An age-based ratio comparing people outside a defined working-age range with those within that range.

作答后解锁

在休闲、新排位或单人练习中遇到这个词并作答,就能解锁完整词条。