高中英语作文 地铁
Thee year you can ee many underground railway are being built in ome big citie. underground railway i both convenient and fat. the underground railway i alo called "the tube","the ubway'or "the underground".
There're lift for you to go up or down. the train' door open and cloe automatically. in hanghai, during ruh hour the underground arrive at the tation every two minute.
But with too many people taking the underground, people find it really too crowded. maybe hanghai need more underground railway.