an underground tunnel or path that people can use to cross a road, railway, etc.

υπόγεια διάβαση, πεζοδρομημένο τούνελ
the system of vehicles, such as buses, trains, etc. that are available to everyone and provided by the government or companies

δημόσια συγκοινωνία, μέσα μαζικής μεταφοράς
(of a train) to travel along a track on wheels, carrying passengers or goods

τρέχω, κυκλοφορώ
a pair of metal bars that trains use to move

σιδηροδρομική γραμμή, ράγα
situated, operating, or existing beneath the surface of the ground

υπόγειος, υπογείως
to hold someone or something and take them from one place to another

μεταφέρω, κουβαλώ
the capital and largest city of both England and the United Kingdom, situated in the southeastern region of the country

Λονδίνο
to supply with the needed energy to make something work

τροφοδοτώ, παρέχω ενέργεια
a machine that uses steam made from boiling water to produce power and make parts move

ατμομηχανή, κινητήρας ατμού
to become physically unable to leave or escape from a place or situation
the coming and going of cars, airplanes, people, etc. in an area at a particular time

κίνηση, τηλεπικοινωνιακή κίνηση
relating to, produced by, or using electricity

ηλεκτρικός
a train powered by electricity instead of fuel like diesel or coal

ηλεκτρικό τρένο, τρένο με ηλεκτρική κίνηση
a type of train powered by steam engine that uses steam pressure to move

ατμομηχανή, ατμοκίνητο τρένο
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

Νέα Υόρκη, η πόλη της Νέας Υόρκης
the track or route along which a train travels

γραμμή, γραμμή
a place or building where we can get on or off a train or bus

σταθμός, στάση
to make something smaller in amount, degree, price, etc.

μειώνω, ελαττώνω
the natural world around us where people, animals, and plants live

περιβάλλον
to cause or bring about something

προκαλώ, δημιουργώ
a change in water, air, etc. that makes it harmful or dangerous

ρύπανση, μόλυνση
a railway that operates underground, typically in a city

μετρό, το Μετρό
the capital and largest city of France; and international center of culture and commerce

Παρίσι
an underground railway system designed for public transportation within a city

μετρό
the capital city of Japan, best known for its advanced technology, fashion, food, and entertainment

Τόκιο, η πρωτεύουσα της Ιαπωνίας
unlike anything else and distinguished by individuality

μοναδικός, ξεχωριστός
to travel in a vehicle such as a bus, car, etc.

ταξιδεύω, παίρνω
catching and keeping our attention because of being unusual, exciting, etc.

ενδιαφέρον, συναρπαστικό
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

η μεγαλύτερη πόλη και πρώην πρωτεύουσα της Τουρκίας; ξαναχτίστηκε στο σημείο της αρχαίας Βυζαντίας από τον Κωνσταντίνο Α' τον 4ο αιώνα; μετονομάστηκε σε Κωνσταντινούπολη από τον Κωνσταντίνο που την έκανε πρωτεύουσα της Βυζαντινής Αυτοκρατορίας; τώρα η έδρα της Ανατολικής Ορθόδοξης Εκκλησίας, Κωνσταντινούπολη
