Unmanned aerial vehicles
(n)UK ʌnˈmænd ˈeərɪəl ˈviːɪklz
US ənˈmænd ˈɛriəl ˈviɪkəlz
Definition: An unmanned aerial vehicle (UAV), commonly known as a drone, is an aircraft without any human pilot, crew or passengers on board.
Meaning: Phương tiện không người lái