低速的英文是low speed。
In ancient China, the traffic conditions were very poor, and people mainly traveled on foot. It takes a few months for a person who wants to pass the imperial examination to walk from home to the capital.?
People also ride horses when they travel short distances from?one town to another.
Needless to say, these vehicles are all at low speed. Now China has trains,airplanes,ships, buses and bicycles.
In order to improve its own country, the Chinese government has established a comprehensive transportation composed of railways.?
Since the opening of the Qinghai Tibet Railway on July 1, Tibet has been the world's largest It's one of the most difficult areas to get into. You can even get to Tibet by train.
中文翻譯：中國古代的交通條件很差，人們主要是步行出行。壹個想考上科舉的人從家裏步行到京城，需要幾個月的時間。
人們從壹個城鎮到另壹個城鎮進行短途旅行時也騎馬，不用說，這些交通工具都是低速的，現在中國有火車、飛機、輪船、公***汽車和自行車。
因為中國為了改善自己的，建立了壹個由鐵路組成的綜合運輸體系。自xx月xx日青藏鐵路通車以來，這個世界上最難進入的地區之壹，甚至可以通過火車到達。