등에 착용하여 가스나 액체의 분사 추진력을 이용해 공중이나 우주를 이동하게 해주는 개인용 비행 장치
A device worn on the back that uses jets of gas or liquid to propel the wearer through the air or space.
예문:
"The astronaut used a jetpack to maneuver outside the space station during the repair mission."
"In many science fiction movies, characters fly across futuristic cities using sleek jetpacks."
"Engineers are developing a new type of water-powered jetpack for recreational use at beach resorts."