英文關鍵字
aerial
air
airborne
aircraft
airplane
atmosphere
atmospheric
aviation
blue
clear
commercial
concept
cruise
destination
distance
engine
exploration
flight
fourengine
high
horizon
industry
journey
landing
majestic
mode
motion
observe
passive
peaceful
perspective
plane
propeller
propellers
quiet
silent
sky
soaring
takeoff
technical
transport
transportation
travel
vehicle
wings
wingspan