英文關鍵字
aeroplane
aerospace
airbus
aircraft
airplane
airport
aviation
building
car
china
circling
door
energy
engine
fan
field
flight
fuel
machine
mechanic
motion
motor
nobody
noone
outdoor
outside
plane
power
propeller
rotate
rotor
sky
spin
tail
technology
terminal
transport
transportation
travel
turbine
turbo
turbojet
undercarriage
urumchi
urumqi
ventilator
warm
wheel
wind
wing