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(305) / 评论(0) 分类 2018年NPR美国国家公共电台4月

'Keystone Companions' Highlights Merl Saunders-Jerry Garcia Collaboration With Garcia on guitar and Saunders on keyboard, the two began picking together on a regular basis in 1970. It started as a weekly jam session at a small club in San Francisco.

发表于:2018-12-16 / 阅读(281) / 评论(0) 分类 VOA标准英语2013年(一月)

Economics Report - Energy As an Issue in Americas Presidential Campaign 经济报道 - 能源问题成为美国总统竞选重要议题 This is the VOA Special English Economics Report. 这里是美国之音慢速英语经济报道。 Energy has beco

发表于:2019-01-12 / 阅读(254) / 评论(0) 分类 2012年VOA慢速英语(三)月

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(313) / 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

发表于:2019-01-14 / 阅读(272) / 评论(0) 分类 VOA标准英语2015年(十一月)

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(339) / 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(276) / 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(270) / 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(237) / 评论(0) 分类 美语听力 English Cafe
学英语单词
1-vicine
a bit of skirt
absorption approach
advoutresses
aroeira blancas
automatically operating analyser
back force
bearing axle
bequerel(Bq)
biorthonormalization
Bogoso
brownest
Calcofluor
Callicarpa dichotoma
camel's nose
chocolate-flavored
cineurethrography
Cj-1824
coated particle fuel
coatney
conspirative
crescent sphere
crista marginalis
crystal-size distribution (CSD)
Crêches-sur-Saône
current annual forest percent
cyberhackers
day mode
death grant
density meter of ionizing radiation
differential gear shift sleeve
dinoflagellatas
DivX HD
effect of action
filter driver
flight kitchen
fluidized bed combustion
forcet
forged pipe
formal research
free import
Gadzi
gas cycle reactor
genus curtisias
Glechoma longituba
ground cable
guardianship order
haydenite
heat service conveyor belt
incompetent attendance
Intercompany loan
jellyby
La Motte-du-Caire
labrofrontal nerve
lhota
lithoclastic
loss of smell
macking on
main distributing valve
management investment company
meadow hay
medium-bright attritus
multipeak
mycosphaerella thujopsidis sawada
ordinary life policy
orthogonal frame
Ourizona
outguards
overseas ship
peppering
pronephric duct (or archinephric duct )
prototype radar system
quartzless
rate of creep
recompense
remates
repudiates
sailboarder
salpingo-oophorectomy
sarcopside
sepkoskis
shad-waiter
silicate fouling
single index hold
single plan of standard cost accounting
sinusoidal disturbance
sky-line
slipping limit
stare at sb
starting coil
suppressings
sympamin
titano-eschynite (aeschynite)
Twentynine Palms
ultrapower
unconvincible
upped
uranyl salts
velocity ratio of link
wet-fed cement kiln
whistel
Zohreh, Rūd-e