英文關鍵字
remote
plane
airfield
spraying
radio
competition
launch
starting
takeoff
start
engine
toy
controlled
spray
piloting
sprayer
airport
sport
agricultural
pilot
drone
joystick
chemical
airplane
sky
control
fly
flight
transportation
aircraft
field
transmitter
agriculture
pesticide
farming
male
person
handset
crop
controller
distant
man
fertilizer
fertilize
sunset
play
runway
aeroplane
landing