unmanned aerial vehicle

IPA/ˌʌn.mænd ˌeə.ri.əl ˈvɪə.kəl/
IPA/ˌʌn.mænd ˌer.i.əl ˈviː.ə.kəl/

unmanned aerial vehicle — noun

1. an aircraft that operates without a human pilot on board, guided either by a per

1.名詞B2
釋義

an aircraft that operates without a human pilot on board, guided either by a person on the ground or by an automatic system on the aircraft itself; used in military operations, aerial photography, delivery services, and scientific research

例句

After the earthquake, rescuers used an unmanned aerial vehicle to find people under fallen buildings.

collocation: used an unmanned aerial vehicle to + infinitive of purpose

Romi counts elephants with an unmanned aerial vehicle to avoid disturbing them.

同義詞
  • drone

    more informal and widely used in everyday conversation and news media

  • UAV

    the standard abbreviation used in military and technical contexts

  • quadcopter

    refers specifically to a drone with four rotors, not all UAVs

反義詞

常見錯誤

❌The unmanned aerial vehicle is a drone.
✅An unmanned aerial vehicle is often called a drone.
💡'drone' is the common informal term; 'unmanned aerial vehicle' is the formal name.