a set of stairs moved up or down by electric power on which people can stand and be taken from one level of a building to another, especially in shops , railway stations and airports
发音
例句
1. I don't like escalator - I'll climb the stairs. 我不喜欢自动扶梯,我要爬楼梯。 2. Then take the escalator up to the second floor. 然后乘手扶电梯上二楼。