英文關鍵字
arrival
business
city
departure
fast
industry
journey
korea
lapse
line
locomotive
metal
metro
modern
motion
move
movement
passing
perspective
platform
rail
railroad
rails
railway
rapid
road
seoul
south
speed
station
steel
subway
technology
time
timelapse
track
tracks
traffic
train
trains
transit
transport
transportation
travel
urban
way