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keystone

英 [ˈkiːstəʊn]

美 [ˈkiːstoʊn]

n.  拱顶石; (计划、论据的)主旨,基础

复数:keystones 

IELTS

BNC.21380 / COCA.17516

牛津词典

    noun

    • 拱顶石
      the central stone at the top of an arch that keeps all the other stones in position
      1. (计划、论据的)主旨,基础
        the most important part of a plan or argument that the other parts depend on

        柯林斯词典

        • 拱顶石
          Akeystoneis a stone at the top of an arch, which keeps the other stones in place by its weight and position.
          1. N-COUNT (政策、体系或进程的)基础,主旨
            Akeystone ofa policy, system, or process is an important part of it, which is the basis for later developments.
            1. Keeping inflation low is the keystone of their economic policy.
              将通货膨胀率保持在较低水平是他们经济政策的主旨。

          英英释义

          noun

          • the central building block at the top of an arch or vault
              Synonym:keyheadstone
            1. a central cohesive source of support and stability
              1. faith is his anchor
              2. the keystone of campaign reform was the ban on soft money
              3. he is the linchpin of this firm
              Synonym:anchormainstaybackbonelinchpinlynchpin

            双语例句

            • Japan's co-operation was the keystone in developing the regional agreement.
              日本的合作是发展地区和睦的基础。
            • Presently the study keystone of the technique is how to improve its accuracy and sensitiveness to measure.
              目前对该技术的研究重点是如何提高它的测试准确性和灵敏度。
            • HTTPS is the keystone of Internet security and privacy.
              HTTPS现在是互联网安全和隐私保护的基石。
            • A pointed arch; usually has a joint ( instead of a keystone) at the apex.
              一种尖角拱;在顶点通常有一个接合点(而不是拱心石)。
            • Keeping inflation low is the keystone of their economic policy.
              将通货膨胀率保持在较低水平是他们经济政策的主旨。
            • A keystone endpoint accepts two types of credentials: a token or a user name and password.
              keystone端点接受两种类型的凭据:令牌,或者用户名和密码。
            • We hope to see you become a keystone of the intellectual community.
              我们希望看到你们成为知识界的一块拱顶石。
            • One of keystone's primary functions is to serve as a service catalog.
              keystone的主要功能之一就是充当服务目录。
            • The keystone of this paper was to establish and calibrate and validate these four new modules.
              本文的研究重点是建立和验证新增的四个模块。
            • Social justice is the keystone of their political program.
              社会公平是他们政治纲领的基本原则。