The mountain river flows in the gorge gaining its strength in the mountainsThe mountain river flows in the gorge gaining its strength in the mountains
American all-weather fighter of the fourth generation. designed to gain air superiorityAmerican all-weather fighter of the fourth generation. designed to gain air superiority
The plane is gaining altitude leaving a trail of lights behind itThe plane is gaining altitude leaving a trail of lights behind it
The mig 23 military aircraft is gaining speed against the background of black cloudsThe MIG 23 military aircraft is gaining speed against the background of black clouds