英文關鍵字
afterglow
area
below
block
box
building
cloud
cloudscape
cloudy
constructing
construction
container
crane
create
creation
deadline
descend
descending
development
difficult
down
engineering
equipment
erecting
evening
formation
hard
industrial
industry
laborious
late
load
lower
lowering
machine
machinery
outdoor
pictured
project
silhouette
site
sky
structure
sunset
technology
transportation
twilight
work
working
workplace