英文關鍵字
abstract
aluminum
automatic
cast
clean
close
closeup
composite
conveyor
demarcation
details
device
die
dull
empty
escalator
exit
flat
forward
inside
ladder
lift
lined
material
metal
move
movement
moving
nobody
perspective
pov
reflex
rise
rises
slide
stainless
stairway
station
steel
step
straircase
surface
technology
the
train
transport
transportation
travelling
underground
underpass
upwards
view
walkway