“老龄化”的英语

例如出生人口性别比偏高、人口老龄化等.These problems include the high sex ratio and the growing population aging.使中国人口老龄化达到了前所未有的水平.China's population is aging at unprecedented levels.同样,山西省也面临着人口老龄化的巨大挑战.Shanxi province is also confr...