2015-04-27 Caring for an Aging Population
From VOA Learning English, this is the Health & Lifestyle Report. Everywhere in the world, people are living longer. Studies show the average age of the human population is rising.…
VOA英语教学网 - VOA LEARNING ENGLISH
一个让你免费在线学习VOA英语的好地方! 无须报名, 不收学费, 全年无休, 保证提高! (^_^)
From VOA Learning English, this is the Health & Lifestyle Report. Everywhere in the world, people are living longer. Studies show the average age of the human population is rising.…