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
• （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.
• 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
• 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

• 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。
• How to construct terrain models and their texture is a research keystone.
  方便、有效地建立地形模型及其纹理是地形景观研究的重点。
• 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。
• One additional service of Keystone is the service catalog used for end point discovery.
  Keystone的一个附加服务是用于端点发现的服务目录。
• 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。
• Currently, revitalizing the commerce railway system has been included in the program of'urban rebirth'as a keystone.
  目前，重振铁路商业已列入“都市再生”计划，并作为一个重点。
• 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。
• 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。
• It takes the moral selection as a core and the innovative ability& the development of practical ability as a keystone.
  选择教育以道德选择为核心，以创新精神和实践能力的培养为重点，而人的全面和谐发展是选择教育的最根本理念。
• Industry is the soul of business and the keystone of prosperity.
  勤劳是事业的灵魂和成功的基石。