noun🔗Share구명조끼An article of protective clothing that is designed to keep the wearer's head floating above the surface of the water."The boat trip required everyone to wear lifejackets for safety. "보트 여행은 안전을 위해 모든 사람이 구명조끼를 착용해야 했습니다.nauticalsailingaidweardeviceChat with AIVocabulary GamePractice Reading
