일정 관리, 주소록, 메모 등의 기능을 갖춘 손바닥 크기의 개인용 휴대 정보 단말기.
A handheld mobile device that functions as a personal information manager, widely used before the advent of smartphones.
예문:
"In the late 1990s, the PDA was an essential tool for busy professionals to organize their meetings."
"He used a stylus to carefully write a note on his PDA's monochrome screen."
연인들이 공공장소에서 스킨십을 하거나 애정을 표현하는 행위.
Physical acts of intimacy, such as kissing or holding hands, performed in a public place.
예문:
"The couple's excessive PDA at the movie theater made the people sitting next to them feel awkward."
"While some cultures are open to PDA, others consider it disrespectful to show intimacy in public."
바람이나 조류의 영향으로 인해 선박이나 항공기의 예정된 침로와 실제 항로 사이에 발생하는 예상 각도.
The estimated angle between the intended course and the actual track of a vessel or aircraft caused by wind or water currents.
예문:
"The navigator calculated the PDA to ensure the ship would stay on its intended path despite the strong currents."
"Pilots must adjust their heading based on the PDA to compensate for crosswinds during the flight."