Aside from keeping your balance and scoffing at the people running up the moving staircase, the gap is probably the least of your concern.
除了保持平衡和嘲笑那些跑上移动楼梯的人之外,差距可能是你最不关心的。
4.哈利波特与火焰杯
They had reached the stone gargoyle. Dumbledore gave the password, it sprang aside, and he and Harry went up the moving spiral staircase to the oak door. Dumbledore pushed it open.
Or you're in a Metro, like in the London Underground or some other big city where they have they have the Metro, you have a moving staircase called an " escalator" .
或者你在地铁里,比如在伦敦地铁或其他有地铁的大城市, 你有一个移动的楼梯, 叫做“自动扶梯” 。
英语百科
Escalator
An escalator is a moving staircase – a conveyor transport device for carrying people between floors of a building. The device consists of a motor-driven chain of individually linked steps that move up or down on tracks, allowing the step treads to remain horizontal.
近义、反义、联想词
近义词
n.
stairway, staircase
英英词典
moving staircase n.
a stairway whose steps move continuously on a circulating belt