English-Chinese/About seven billion people live on the earth
About seven billion people live on the earth. They live in about 200 different lands called countries.
大约有70亿人生活在地球上。 他们住在大约200个不同的土地上，称为国家。
|
|
About seven billion people live on the earth. They live in about 200 different lands called countries.
大约有70亿人生活在地球上。 他们住在大约200个不同的土地上，称为国家。