总人口
word B1- total population
Its characters
From the library
随着医疗条件的改善和人均寿命的延长，老年人在总人口中所占的比例日益提高，我们正在步入老龄化社会。
Learn 总人口 in real texts
With a free account, hover any word in the library for its meaning, hear it read aloud, save words for review timed to your memory, and see how much of each book you already know.