不同城市的地铁（英文）

来源：阅读, 2021, (37): 7-9.

<正>In a big city,it’s hard to get around.Underground trains can help us.They are a part of city life.Are there underground trains in your city?Let’s find more facts about underground.These are logos!不同城市的地铁标志There are three main words for underground trains.One is just"underground",one is "metro" and one is "subway".Many logos (标志)come from these different names.This is true in Beijing too.The inside part of the logo is a D.It’ s from the Chinese word:Di Tie(地铁).