英文關鍵字
aeroplane
air
airplane
animation
atmosphere
aviation
blue
commute
condensation
condense
contrail
droplets
engine
exhaust
flight
fly
gas
high
jet
journey
liner
particles
plane
pollution
sky
skyscape
smoke
space
steam
stripe
tourism
trace
track
trail
transportation
travel
turbine
vacation
vapor
vapour
white
wing