a distinct layer or level within a system, often conceived as having depth or hierarchy
층, 계층
a problem or question that is confusing and needs a lot of skill or effort to solve or answer
수수께끼, 난제
a section of additional material that is usually added at the end of a book
부록, 추가
a single-celled microorganism that typically reproduces by cell division and can be found in various environments, including soil, water, and living organisms
박테리아, 미생물
a shell beads used by some Native American tribes as currency or ceremonial items
왐펌(일부 미국 원주민 부족들이 통화나 의식용 품목으로 사용한 조개 구슬), 왐펌 구슬
a device with a long thin bar and a weight at the end that swings side to side to keep a clock working
추, 진자
the architectural wall or frame that separates the stage from the auditorium in a modern theater, often forming an arch through which the audience views the performance
프로시니엄, 무대 아치
a tarred fiber used for caulking seams in wooden ships and as insulation in plumbing
오컴, 타르 칠한 섬유
a single piece of information or a reference point used in analysis or measurement
데이터, 기준점
a concise collection or summary of information, typically presented in a single volume or document
개요, 요약
severe criticism or public condemnation, often directed at someone's actions or behavior that is considered shameful or disgraceful
비난, 질책
a point or support on which a lever pivots or rotates in order to lift or move objects
지렛대 받침점, 지지점
(anatomy) the bone structure that surrounds and protects the brain
두개골, 두개
an unpleasant or noxious odor, typically emanating from decaying matter or industrial processes
악취, 배출물
a period of one thousand years, usually calculated from the year of the birth of Jesus Christ
천년, 밀레니엄
an officially declared pause of a specific action or policy, often imposed by authorities to allow for review, safety, or negotiation
모라토리엄, 일시 중지
a formal expression of praise or tribute, typically delivered in speech or writing
찬사, 칭송
