noun🔗Share등받이The back piece of a chair, used to support the sitter's back."The armchair had a comfortable backrest, perfect for relaxing after a long day at work. "안락의자는 편안한 등받이가 있어서, 긴 하루의 일과를 마치고 휴식을 취하기에 완벽했습니다.partitembuildingarchitectureutilitywearChat with AIVocabulary GamePractice Reading
noun🔗Share심압대A guide attached to the slide rest of a lathe, and placed in contact with the work to steady it in turning."The machinist carefully adjusted the backrest on the lathe to prevent the long, thin metal rod from vibrating during the turning process. "기계공은 긴 금속 막대가 회전 과정에서 진동하는 것을 방지하기 위해 선반의 심압대를 조심스럽게 조정했습니다.technicalmachineworkdeviceChat with AIVocabulary GamePractice Reading
