花灯集英语字典

extension

E 开头单词四级词汇四级核心词考研词汇专四核心词专八核心词托福词汇高考词汇词源字典

音标发音

  • 英式音标 [ɪk'stenʃ(ə)n; ek-ɪk'stenʃn]
  • 美式音标 [ɪkˈsten.ʃən]
  • 国际音标 [ik'stenʃən]
  • 英式发音
  • 美式发音

基本解释

  • n.延长；伸展；延期；扩充；观念发展；增强
  • n.电话分机；特别课程
  • n.[计]文件名

词源解说

  • 1400年左右进入英语，直接源自古典拉丁语的extendere，意为事物伸展的部分。

同根派生

  • adj性质的同根词
    extensive：广泛的；大量的；广阔的。
    extended：延伸的；扩大的；长期的；广大的。
    extensible：可延长的；可扩张的。
    extendable：可延长的；可展开的；可扩张的。
    extensional：外延的；具体的；事实的。
    extendible：可伸长的。
  • adv性质的同根词
    extensively：广阔地；广大地。
  • n性质的同根词
    extensiveness：延伸；大范围。
  • v性质的同根词
    extended：延长；扩充（extend的过去分词）。
  • vi性质的同根词
    extend：延伸；扩大；伸展；使疏开。
  • vt性质的同根词
    extend：延伸；扩大；推广；伸出；给予；使竭尽全力；对…估价。

用法辨析

  • extension同extent均是extend的名词形式:前者既可作不可数名词，表示“伸展，扩充”，也可作可数名词，表示“附加部分，延伸部分”。例如the extension of foreign trade（外贸的扩展）和an extension of one's summer holidays（暑假的延长时间）。后者表达的是“事物延伸的广度，程度，范围等”，如through the whole extent of the country（在全国范围内）。

英汉例句

    用作名词 (n.)

  • They have built an extension to the hospital.
    他们扩建了这家医院。

词组短语

    用作名词 (n.)

    动词+～

  • ask for 〔request〕 an extension 要求延期
  • get 〔receive〕 an extension 得到延期
  • grant an extension 批准延期

    • 形容词+～

  • three -month extension 三个月的期限
  • two -room extension 扩建了两间屋
  • further extension 进一步延长

    • 名词+～

  • business extension 分店营业所

英英字典

    剑桥英英字典

  • (REACH) the fact of reaching, stretching, or continuing; the act of adding to something in order to make it bigger or longer
  • (PHONE) any of two or more phones in the same house that share the same number, or any of a number of phones connected to a switchboard in a large building such as an office
  • (COMPUTER) the last part of the name of a computer file, which comes after a (.) and shows what type of file it is
  • (HAIR) a long piece of hair that is added to a person's own hair in order to make the hair longer
  • (BUILDING) a new part added to a house or other building
  • intended to support students' learning by making them try different or more difficult things in addition to their basic work

    • 柯林斯英英字典

  • An extension is a new room or building that is added to an existing building or group of buildings.
  • An extension is a new section of a road or railway that is added to an existing road or railway.
  • An extension is an extra period of time for which something lasts or is valid, usually as a result of official permission.
  • Something that is an extension of something else is a development of it that includes or affects more people, things, or activities.
  • An extension is a telephone line that is connected to the switchboard of a company or institution, and that has its own number. The written abbreviation is also used.
  • An extension is a part connected to a piece of equipment in order to make it reach something further away.

专业释义

    经济学

  • 推广

    Agriculture sic-tech extension is stressed by every government of foreign countries.
    “桥梁工程”指的就是农业科技推广。

  • 延伸

    The enterprises have executed the brand extension for the competitive strength enhancement.
    企业纷纷进行品牌延伸以强化自身品牌竞争优势,保持品牌长期活力。

  • 可拓

    The basic principle and common process of the extension evaluation are introduced.
    然后介绍了可拓评价方法的基本原理和一般步骤。

  • 延期

    • 计算机科学技术

  • 可拓

    Then we introduced a method of data classification based on extension sets,called extension classification.
    然后，介绍了在可拓集合理论基础上建立的数据分类的可拓分类方法。

  • 延伸

    The work in this thesis is an extension and expansion of the partial encryption.
    本文工作正是这一方案的拓展和延伸。

  • 扩充

    Also, an experimental analysis is presented about the influences of different extension movements on PSO’s performance.
    实验还分析了扩充行为对算法性能的影响。

  • 扩张

    This paper gives a new kind of poof that to compound extension matrix is NP--hard. From this, we get a new poof that the minimum problem of disjunctiving formula is NP--hard.
    本文给出的扩张矩阵合并问题是NP困难问题的一种新的证明。

  • 分机

    • 法学

  • 延长

    Extension of the detention period is relatively easy. The detention of criminal suspects is longer period.
    延长刑事拘留期限比较容易,对犯罪嫌疑人的拘留期间较长。

  • 拓展

    At information exchange, human communication and the visual field extension, network show important role to teenagers.
    网络在青少年信息交流、人际交往、视野拓展等方面显现出重要作用。

  • 扩大保护

    The dispute focuses on the establishment of a multi-lateral system for the notification and registration of geographical indications, the extension of so-called additional protection for wines and spirits to products other than wines and spirits.
    争议的焦点主要集中在葡萄酒和烈酒多边通知和注册体系的建立与TRIPS协议23条地理标志的扩大保护问题上。

    农业科学

  • 推广

    Objective The aim was to promote rapid extension and application of fine variety of jujube.
    目的促进酸枣优良品种的快速推广和应用。

    电子、通信与自动控制技术

  • 延拓

    And also a discussion for the boundary extension algorithm is given.
    同时对小波变换中的边界延拓算法进行了讨论。

  • 展宽

    In this paper, the extension theory of bandwidth in digital system and three key points of frequency band extension technology are studied experimentally by simulation.
    本文主要研究了数字系统频带展宽原理及频带展宽中的三个关键技术。

  • 分机

    • 医药科学

  • 牵伸（术）
  • 牵伸术
  • 伸展

    • 数学

  • 扩张

    L. G. Brown proved that AF algebra is closed under extension. But it is not true for AT algebra.
    证明了两个AT代数或者AI代数,对于拟对角扩张是封闭的。

  • 延拓

    By using the limit theory and extension method,this paper studies the persistence and the extinction of a two-dimensional predator-prey Lotka-Volterra model in finite time.
    利用极限理论与延拓方法,研究了捕食-被捕食二维Lotka-Volterra模型在有限时间内的持续生存与绝灭问题,即β持续生存与β绝灭问题。

  • 伸延集

    • 土木建筑工程

  • 扩展

    The basic principles of manifold method and procedure of simulating crack extension are introduced. Two examples are given.
    介绍了数值流形方法的基本原理及其在模拟裂纹扩展中的实现过程，并就两个算例进行了分析，结果表明流形元方法的有效性。

  • 扩建

    The paper introduces the application of static blasting technology to a clinic multi-functional building’s underground garage extension project inner support dismantle.
    本文介绍静态爆破技术在广州一医院门诊综合楼地下车库扩建项目的基坑内支撑拆除工程中应用实例。

    交通运输工程

  • 扩建

    • 文学

  • 外张

    tie society; cyber-society; the third network society; involvement; extension; new "different relationship pattern"
    关系社会; 赛伯社会; 第三网络社会; 内卷; 外张; 新“差序格局”

    语言学

  • 引申

    ⑷The extension of meaning.
    ⑷引申意义研究方面。

    艺术学

  • 延续

    It is unprecedented throughout art history both in and out of China on account of its extension, continuity and influence as well.
    它波及范围之广、延续时间之长、影响程度之深，在中国甚至世界艺术史上都是史无前例的。

  • 延展
  • 外张

    tie society; cyber-society; the third network society; involvement; extension; new "different relationship pattern"
    关系社会; 赛伯社会; 第三网络社会; 内卷; 外张; 新“差序格局”

  • 伸腿

    • 地球科学

  • 伸展作用

    The emplacement time of Nankou bimodal dike swarm is120Ma. Nankou bimodal dike swarm can be considered as direct evidence oflithosphere extension caused by Mesozoic North China low-intrusion.
    南口双峰式岩墙群的侵位年龄为120Ma,南口双峰式岩墙群可以看作中生代华北底侵作用背景下岩石圈伸展作用的直接证据。

  • 延长

    • 物理学

  • 伸长
  • 广延（性）
  • 广延(性)

    • 心理学

  • 伸展

    • 生物学

  • 延伸
  • 突出
  • 伸展
  • 延长;扩散
  • 蔓延

    • 机械工程

  • 扩充
  • 分机