英文關鍵字
air
aircraft
around
circling
circular
circumflex
down
drone
flight
flying
grass
hover
hovering
knoll
looking
midair
nature
navigating
park
unmanned
英文關鍵字
air
aircraft
around
circling
circular
circumflex
down
drone
flight
flying
grass
hover
hovering
knoll
looking
midair
nature
navigating
park
unmanned