天火字典

英日字典：ｾｯｻﾒｹ簧ｲｽ

ｾｯｻﾒｹ簧ｲｽ

､ｷ､遉ｦ､ｷ､ｳ､ｦ､､､､ｫ

(n) decreasing birthrate and aging population
aging population combined with the diminishing number of children
declining birthrate and a growing proportion of elderly people
dwindling birthrate and an aging population
low birthrate and longevity

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