英文關鍵字
air
airlines
airplane
airport
amsterdam
avia
boeing
business
cargo
carrying
commercial
communications
contemporary
copy
cruise
day
delivering
flag
flying
fuselage
global
holland
horsedrawn
klm
land
large
leaving
national
netherlands
new
off
ojse
overcast
passenger
respiratory
russia
ship
sky
speed
taking
technology
tract
transaero
transportation
travel
usa
vacations
vehicle
white