Aviation is an area related to the use of aircraftAviation is an area related to the use of aircraft
The bomber of long-range aviation symbolizes the military power of russiaThe bomber of long-range aviation symbolizes the military power of Russia
The f4u is the pride of american aviation during world war iiThe F4u is the pride of American aviation during World War II
On the day of aviation, the swifts took to the skyOn the day of aviation, the swifts took to the sky