City
城市
Many people live in a city.
很多人生活在城市中。
Also, many cars and buildings are in a city.
城市中還有很多的汽車(chē)和建筑物。
Cities have a long history, but no one knows exactly how old a city is.
城市的歷史悠久,但沒(méi)有人確切知道城市的年齡有多大。

What is the biggest city in the world?
世界上最大的城市是哪個(gè)呢?
Tokyo is the biggest city in the world.
東京是世界上最大的城市。
There are more than 34 million people in Tokyo.
東京有3400多萬(wàn)人口。