a distinct layer or level within a system, often conceived as having depth or hierarchy
階層
a problem or question that is confusing and needs a lot of skill or effort to solve or answer
苦境
a single-celled microorganism that typically reproduces by cell division and can be found in various environments, including soil, water, and living organisms
細菌
a shell beads used by some Native American tribes as currency or ceremonial items
ワンパム
a device with a long thin bar and a weight at the end that swings side to side to keep a clock working
振り子
the wall separating the audience and the stage in a theater hall, including the arch on its top
ステージの壁
a tarred fiber used for caulking seams in wooden ships and as insulation in plumbing
麻屑
a single piece of information or a reference point used in analysis or measurement
データム
a concise collection or summary of information, typically presented in a single volume or document
便覧
severe criticism or public condemnation, often directed at someone's actions or behavior that is considered shameful or disgraceful
不名誉
a point or support on which a lever pivots or rotates in order to lift or move objects
支点
an unpleasant or noxious odor, typically emanating from decaying matter or industrial processes
脱毛症
a period of one thousand years, usually calculated from the year of the birth of Jesus Christ
千歳
a temporary suspension or halt of an ongoing activity, often imposed by an authority
モラトリアム
a formal expression of praise or tribute, typically delivered in speech or writing
エンコミアム
a facility offering care for patients with mental or medical conditions needing extended treatment
収容所