英文關鍵字
aircraft
airfield
ancient
animation
antique
bird
black
design
flight
free
freedom
glide
height
high
invention
leonardo
machine
manual
negative
plane
positive
project
prototype
sky
vinci
white
wind
wings
英文關鍵字
aircraft
airfield
ancient
animation
antique
bird
black
design
flight
free
freedom
glide
height
high
invention
leonardo
machine
manual
negative
plane
positive
project
prototype
sky
vinci
white
wind
wings