a distinct layer or level within a system, often conceived as having depth or hierarchy

层, 层次

a problem or question that is confusing and needs a lot of skill or effort to solve or answer

难题, 困境

a single-celled microorganism that typically reproduces by cell division and can be found in various environments, including soil, water, and living organisms

细菌, 单细胞细菌

a device with a long thin bar and a weight at the end that swings side to side to keep a clock working

钟摆, 摆锤

the wall separating the audience and the stage in a theater hall, including the arch on its top

舞台前幕, 舞台前沿

a concise collection or summary of information, typically presented in a single volume or document

汇编, 概要

severe criticism or public condemnation, often directed at someone's actions or behavior that is considered shameful or disgraceful

谴责, 耻辱

a point or support on which a lever pivots or rotates in order to lift or move objects

支点, 杠杆的支点

an unpleasant or noxious odor, typically emanating from decaying matter or industrial processes

排气

a period of one thousand years, usually calculated from the year of the birth of Jesus Christ

千年

a temporary suspension or halt of an ongoing activity, often imposed by an authority

暂停令

a formal expression of praise or tribute, typically delivered in speech or writing

颂词, 赞辞

a facility offering care for patients with mental or medical conditions needing extended treatment

庇护所, 精神病院

