an underground tunnel or path that people can use to cross a road, railway, etc.
地下通道, 人行隧道
the system of vehicles, such as buses, trains, etc. that are available to everyone and provided by the government or companies
公共交通, 公共交通工具
她有一张公共交通路线图来导航城市。
(of a train) to travel along a track on wheels, carrying passengers or goods
行驶, 运行
a pair of metal bars that trains use to move
轨道, 铁轨
located, occurring, or operating beneath the surface of the ground
地下的, 地下
to hold someone or something and take them from one place to another
携带, 运送
the capital and largest city of both England and the United Kingdom, situated in the southeastern region of the country
伦敦
to supply with the needed energy to make something work
供电, 提供能量
a machine that uses steam made from boiling water to produce power and make parts move
蒸汽机, 蒸汽发动机
蒸汽机帮助开始了工业革命。
to become physically unable to leave or escape from a place or situation
门卡住了，我们在房间里被困了几分钟。
the coming and going of cars, airplanes, people, etc. in an area at a particular time
交通, 车流量
由于施工，市中心的交通缓慢到爬行。
relating to, produced by, or using electricity
电的
a train powered by electricity instead of fuel like diesel or coal
电动火车, 电力火车
电动火车比柴油火车更安静。
a type of train powered by steam engine that uses steam pressure to move
蒸汽火车, 蒸汽机车
游客们享受了一次乘坐修复的蒸汽火车的旅程。
the largest city in New York State and in the United States; located in southeastern New York at the mouth of the Hudson river; a major financial and cultural center
纽约市, 纽约城
the track or route along which a train travels
线路, 轨道
a place or building where we can get on or off a train or bus
车站, 站
to make something smaller in amount, degree, price, etc.
减少, 降低
the natural world around us where people, animals, and plants live
环境
a change in water, air, etc. that makes it harmful or dangerous
污染, 污染物
an underground railway system, especially the London Underground
地铁, 地下铁
the capital and largest city of France; and international center of culture and commerce
巴黎
an underground railway system designed for public transportation within a city
地铁
使用地铁通常是穿越大型城市中心最快的出行方式。
the capital city of Japan, best known for its advanced technology, fashion, food, and entertainment
东京，日本的首都，以其先进的技术、时尚、美食和娱乐而闻名
unlike anything else and distinguished by individuality
独特的, 独一无二的
他有一个独特的习惯，就是素描他第一次见到的人。
to travel in a vehicle such as a bus, car, etc.
乘坐, 搭乘
catching and keeping our attention because of being unusual, exciting, etc.
有趣的, 引人入胜的
注意到技术多年来是如何发展的，这有趣。
the largest city and former capital of Turkey; rebuilt on the site of ancient Byzantium by Constantine I in the fourth century; renamed Constantinople by Constantine who made it the capital of the Byzantine Empire; now the seat of the Eastern Orthodox Church
土耳其最大的城市和前首都; 由君士坦丁一世在四世纪时在古代拜占庭的遗址上重建; 被君士坦丁更名为君士坦丁堡，并成为拜占庭帝国的首都; 现在是东正教的所在地, 伊斯坦布尔
