| 释义 |
period/ˈpiəriəd/ n. & adj.●n. 1 a length or portion of time 一段时间；时期 showers and bright periods 阵雨间晴 2 a distinct portion of history, a person's life, etc. (历史的特定)阶段；人的一生，等等 the Georgian period 乔治王朝时期; Picasso's Blue Period 毕加索蓝色时期 3 Geol. a time forming part of a geological era 【地质】纪 the Quaternary period 第四纪 4a an interval between recurrences of an astronomical or other phenomenon (天文或其他两个连续出现的现象之间的)间隔 b the time taken by a planet etc. to rotate about its axis (行星等的自转)周期 c the time taken by a planet or satellite to make one circuit of its orbit (行星或卫星的公转)周期 5 the time allowed for a lesson in school 学时，课时 6 an occurrence of menstruation 月经期 7a a complete sentence, esp. one consisting of several clauses 完整句(尤指含若干从句的句子) b (in pl. 用复数) rhetorical language 辞藻华丽的语言 8 esp. N. Amer. [尤北美]a = FULL STOP 1 b used at the end of a sentence etc. to indicate finality, absoluteness, etc. (用在句尾等，表明已讲完或坚决不改变等)其他没什么好讲了，就是这么回事 we want the best, period 我们想要最好的，就是这样 9a a set of figures marked off in a large number to assist in reading (大数字中划分的方便阅读的)数字组 b a set of figures repeated in a recurring decimal 循环小数 c the smallest interval over which a function takes the same value 函数周期 10 Chem. a sequence of elements between two noble gases forming a row in the periodic table 【化】元素周期 ●adj. belonging to or characteristic of some past period 属于某一时代的；具有某一时代特点的 period furniture 老式家具[Middle English via Old French periode and Latin periodus from Greek periodos ‘orbit, recurrence, course’ (as PERI-, odos = hodos ‘way’)] |