恩恩慧慧
16 billion 亲，如果你认可我的回答，请点击【采纳为满意回答】按钮~~手机提问的朋友在客户端上右上角点击【采纳为满意答案】即可。~你的采纳是我前进的动力~~(∩_∩)O，互相帮助，祝共同进步！
scropio123
China has 5000 years of history, covers an area of 9.6 million square kilometers and has a population of 1.6 billion
养啥啥不活
英语的数字是叠加起来的，如有十：ten 百：hundred 千：thousand 百万：million 十亿：billion 但是却没有固定的十万，千万，所以就只能叠加，比如千万就是十个一百万，所以就写成： ten million 一亿就是100个百万：one hundred million.以此类推。望采纳！
帅哥啦阿妹
China has a history of 5000 years, covers an area of 9600000 square kilometers, and has a population of 1600000000
