| 单词 | period |
| 释义 | period['piəriəd]n. 时期, 节段, 节, 句点, 学时, 周期a. 当时特有的, 过去某段时期的interj. 就是这话, 就是这么回事【化】 周期【医】 期, 时期【经】 时期, 期间, 周期相关词组:come to a periodput a period to sth period pe.ri.od AHD: [p¹r“¶-…d] D.J. [6p!ri8*d]K.K. [6p!ri*d]n.Abbr. per.（名词）缩写 per.1. An interval of time characterized by the occurrence of a certain condition, event, or phenomenon:期间，一段时间：以某特定条件、事件或现象的发生为特征的时间间歇：a period of economic prosperity.经济繁荣时期2. An interval of time characterized by the prevalence of a specified culture, ideology, or technology:时期：以某特定文化、思想或技术的盛行为特征的一段时间：artifacts of the pre-Columbian period.前哥伦比亚时代的手工制品3. An interval regarded as a distinct evolutionary or developmental phase:…期：时代或发展的特定时期：Picasso's early career is divided into his blue period and rose period.毕加索的早期生涯被分为忧郁期和得意时期4. Geology A unit of time, longer than an epoch and shorter than an era.【地质学】 纪：比世长比代短的时间单位5. Any of various arbitrary units of time, especially:时间单位：指任何任意性时间单位，尤指：6. Any of the divisions of the academic day.一节课：学校学习日的划分7. Sports Games A division of the playing time of a game.【体育运动】 【游戏】 分场：比赛时间的划分8. Physics Astronomy The time interval between two successive occurrences of a recurrent event or phases of an event; a cycle.【物理学】 【天文学】 周期：两个连续出现或反复出现的现象或事件间的时间间隔；周期循环9. An instance or occurrence of menstruation.经期：月经的例子或出现10. A point or portion of time at which something is ended; a completion or conclusion.完结：某事结束的时间点或时间段；完成或终结11. The full pause at the end of a spoken sentence.结尾：句末的停顿12. A punctuation mark ( . ) indicating a full stop, placed at the end of declarative sentences and other statements thought to be complete, and after many abbreviations.句号：一种表示完全停顿的标点符号（。），放在句末或认为将会完成的阐述后及许多缩略式后13. A sentence of several carefully balanced clauses in formal writing.复合句：正式文体中包括若干从句的结构匀称的句子14. A metrical unit of quantitative verse consisting of two or more cola.定量测量单位：包括两个或两个以上音行的定量韵律的度量单位15. An analogous unit or division of classical Greek or Latin prose.诗文的划分：古希腊或拉丁散文中类似的分段16. Music A group of two or more phrases within a composition, made up of 8 or 16 measures and terminating with a cadence.【音乐】 （音乐）分段：音乐作品中含两个或两个以上乐章的组曲，由八或十六音位组成并以和弦结尾17. Mathematics 【数学】 18. The least interval in the range of the independent variable of a periodic function of a real variable in which all possible values of the dependent variable are assumed.小数点：周期函数自变量变化的最小区间，其中从属变量的所有可能值都已事先确定19. A group of digits separated by commas in a written number.数字：书面数字中一个中间用逗号隔开的数字组20. The number of digits that repeat in a repeating decimal. For example, &9{!/7} = 0.142857142857 . . . has a six-digit period.分节：循环小数中的循环位数。如&9{!/7}=0.142857142857…，有6个数的循环位21. Chemistry A sequence of elements arranged in order of increasing atomic number and forming one of the horizontal rows in the periodic table.【化学】 元素周期：一系列元素按原子序数升序排列形成的周期表中的一个横排adj.（形容词）Of, belonging to, or representing a certain historical age or time:某时期的：属于、包含于或代表某特定历史时期的：a period piece; period furniture.时代乐章；属于某时代的家俱语源:1. Middle English periode 中古英语 periode 2. from Old French 源自 古法语 3. from Medieval Latin periodus 源自 中世纪拉丁语 periodus 4. from Latin perihodos [rhetorical period] 源自 拉丁语 perihodos [修辞部分] 5. from Greek periodos [circuit] 源自 希腊语 periodos [马戏团] 6. peri- [peri-] peri- [前缀，表“周围”] 7. hodos [way] hodos [方式] 参考词汇:1. period,epoch,era,age,term2. These nouns refer to a portion or length of time.这些名词均指时间的一部分或长度。3. Period is the most general: Period 是最普遍的： the Romantic period in music.音乐中的浪漫部分。4. Epoch refers to a period regarded as being remarkable or memorable: Epoch 指值得记忆的或美好的时光： Senators are elected for a term of six years. 参议员任期六年 注释:Perhaps more than once one may have wonderedwhy the wordperiod has the sense “punctuation mark ( . )” as well as some of its other senses having to do with time.The answer to this question lies in the senses of the Greek wordperiodos from which our word is descended. Periodos, made up of peri-, “around,” and hodos, “way,” meant such things as “going round, way round, going round in a circle, circuit,”and with regard to time “cycle or period of time.”The word also meant “the period of menstruation.”In rhetoric it referred to “a group of words organically related in grammar and sense.”The Greek word was adopted into Latin asperihodos with only its rhetorical sense and one other sense,but in Medieval Latin it reacquired senses it had in Greek,such as “cycle,” and acquired a new sense,“a punctuation mark used at the end of a rhetorical period.”Although this sense is recorded in Medieval Latin,it is not recorded in English until 1609.But the wordperiod had entered Middle English from Medieval Latin and Old French, first being recorded in a work written around 1425in the sense “a cycle of recurrence of a disease.”或许任何人都会不止一次的发出疑问，为什么period 有“标点符号（。）”的意思， 同时其它意思与时间有关。此问的答案来自我们的单词源自的希腊语单词periodos 的意思。 Periodos ，由意为“周围”的 peri- 和意为“方式”的 hodos 组成， 该词意味着“围绕…走，围绕…的路，转圈走，围绕，”同时也指时间，意为“一段时间或时间周期”。此词也意为“经期”。在修辞学中指“一组在语法和词意上有机相连的词。”这个希腊词作为perihodos 被拉丁文所采用， 仅带有修辞和一个其他的意思，但在中世纪拉丁语中它重新得到了它在希腊语中的意思，例如“周期”，后来又得到一个新的意思，即“用于修辞部分末尾的标点符号”。尽管此意在中世纪拉丁语中有记载，但直到1609年才在英语中有记载。而period 从中世纪拉丁文和古法语中进入中世纪英语， 并首次记载于约1425年所著的作品中，意为“疾病发作的周期” |
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