音标:['ki:stәun] ;
n. 拱顶石, 楔石, 重点
n. the central building block at the top of an arch or vault
词型变化:名词复数形式 : keystones
词性分布:
名词100%

keystone的用法和样例:

例句

用作名词(n.)
  1. The arch is furnished with a keystone.这个拱顶是用拱顶石装饰的。
  2. The keystone to any marriage is one word: "WE".任何婚姻的基石只有两个字:“我们”。
  3. Belief in a life after death is the keystone of her religious faith.她的宗教信仰的基础是相信死后有来生。
  4. The second part is the keystone of this article.这是论文的重点论述部分。
  5. The essentiality of fund and financing is the keystone of expatiation.资金和资金筹集的重要性是阐释的重点。

词汇搭配

  • Keystone State拱顶石州(宾夕法尼亚...
  • keystone distortion梯形失真
  • field keystone correction场梯形畸变校正...
  • keystone plate波纹钢板
  • keystone sack二垒
  • keystone corner二垒
  • frame keystone帧梯形失真
  • keystone correcting circuit梯形失真校正电路...
  • horizontal keystone correction水平梯形畸变校正...
  • field keystone waveform场梯形畸变波形...
  • keystone strand wire rope表面钢丝绳
  • field keystone场梯形畸变,场梯形失...

经典引文

  • The Third Reich..would have as its keystone the conception of the people and the national idea.

    出自:Times
【近义词】

LULU GARCIA-NAVARRO, HOST: Native Americans from across the Northern Plains are gathered in Fort Laramie, Wy., this weekend. They're marking the 150th anniversary of the Lakota Treaty with the United States. Jim Kent reports on a document that some f

发表于:2018-12-02 / 阅读(449) / 评论(0) 分类 2018年NPR美国国家公共电台4月

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AS IT IS 2015-11-07 Obama Rejects Keystone XL Pipeline Project 奥巴马否决Keystone XL输油管道项目 President Barack Obama has rejected the Keystone XL oil pipeline project. 美国总统奥巴马否决了Keystone XL输油管道项目。 The p

发表于:2019-01-12 / 阅读(432) / 评论(0) 分类 2015年VOA慢速英语(十一)月

G-20 Subsidizing Fossil Fuels by $452 Billion, Research Shows G-20补贴矿物燃料4520亿美元 As leaders of the Group of 20 major economies gather in Turkey for the 2015 summit, campaigners are calling on them to stick to their pledge to stop sub

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SCOTT SIMON, HOST: The latest chapter in the controversial Keystone oil pipeline played out late this week. A federal judge in Montana temporarily blocked the project and asked for an additional environmental review. Indigenous activists are cheering

发表于:2019-01-17 / 阅读(452) / 评论(0) 分类 2018年NPR美国国家公共电台11月

JUDY WOODRUFF:Next: how an oil spill near Little Rock, Ark., is casting a shadow over the proposed expansion of the Keystone pipeline. MAN:So that is a pipeline that has busted and has flooded the neighborhood. JUDY WOODRUFF:A local resident describe

发表于:2019-01-27 / 阅读(414) / 评论(0) 分类 PBS访谈环境系列

GWEN IFILL: Now to the political power struggle over legislation to build the Keystone XL pipeline, which landed today on the president's desk and was promptly vetoed. The president chose to carry out the veto in private, out of the glare of cameras,

发表于:2019-01-27 / 阅读(392) / 评论(0) 分类 PBS访谈商业系列

Topics: Ask an American: Nursing; responsible versus accountable; -wise; to double back Words: handmaiden keystone interaction consistently to give care to pull (someone) through to come up to (someone) to proceed to measure to specialize out in acut

发表于:2019-02-23 / 阅读(361) / 评论(0) 分类 美语听力 English Cafe
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