音标:[kri'neiʃәn] ;
n. 钝锯齿
[医] 纯锯齿形; 皱缩(红细胞)
n one of a series of rounded projections (or the notches between them) formed by curves along an edge (as the edge of a leaf or piece of cloth or the margin of a shell or a shriveled red blood cell observed in a hypertonic solution etc.)
词型变化:名词复数形式 : crenations
【近义词】

THE MAKING OF A NATION - August 1, 2002: Election of 1952 / Dwight Eisenhower By Jeri Watson VOICE 1: This is Doug Johnson. VOICE 2: And this is Phil Murray with THE MAKING OF A NATION, a VOA Special

发表于:2018-11-27 / 阅读(307) / 评论(0) 分类 The Making of a Nation

Part 3 The Smoke Detector 烟雾探测器 Dialogue Script1 对话原文1 Jack: (Reading letter) Dear Mister Smith, your daughter informs me that... Tina: What's this about? Jack: Apparently Lisa reported us for failing fire safety standards. Tina: Is that th

发表于:2018-12-07 / 阅读(110) / 评论(0) 分类 CRI实用英语课堂

The next phase in the race for the White House, with Hillary Clinton set to throw her supporter now behind Barack Obama come to Saturday. The presumptive nominee himself was in Virginia, signaling the beginning of the general election campaign. ABC's

发表于:2018-12-11 / 阅读(87) / 评论(0) 分类 万花筒2008年

Dogs and their owners go for the top prize at Crufts Seven of the top dogs have been chosen, but only one can be crowned best in show. One thing is certain-- Fur is going to fly. You've got seven of the best, out there. So it's like a top athelet go

发表于:2018-12-11 / 阅读(119) / 评论(0) 分类 万花筒2008年

I'm Mark Smith at a snowbound White House where President Barack Obama is trying to unthaw his domestic agenda in a new round of talks with Democratic and Republican leaders. And a short time ago, he paid a surprise visit to the White House briefing

发表于:2018-12-15 / 阅读(135) / 评论(0) 分类 美联社新闻一分钟2010(二月)

Also: A study finds that people who stop smoking often influence other smokers to quit. Transcript of radio broadcast: 24 June 2008 VOICE ONE: This is SCIENCE IN THE NEWS in VOA Special English. I'm Faith Lapidus. VOICE TWO: And I'm Steve Ember. On

发表于:2018-12-15 / 阅读(116) / 评论(0) 分类 VOA慢速英语2008年(六)月

Part 1 The Pyromaniac 纵火狂 Dialogue Script1 对话原文1 Tom: Want to help me build a matchstick house? Tina: Uh, where did you learn how to do that? Tom: Some friends at school taught me. Tina: It's amazing what you kids are learning in school these

发表于:2019-01-02 / 阅读(137) / 评论(0) 分类 CRI实用英语课堂

Crufts winner 2006. Picture courtesy of the Kennel Club of Great Britain Fireworks, music and theatre have been some of the ways in which the Chinese community in Britain has been celebrating the start of the Year of the Dog it has been quite a part

发表于:2019-01-02 / 阅读(126) / 评论(0) 分类 Take Away English

A South Korean official says North Koreas leader commented that he is committed to denuclearization of the Korean Peninsula. National security advisor Chung Eui-yong also said that the leaders of North and South Korea are to meet in the capital of No

发表于:2019-01-03 / 阅读(119) / 评论(0) 分类 2018年VOA慢速英语(九)月

THE MAKING OF A NATION - June 13, 2002: World War Two / Science By David Jarmul Explosion of the first atomic bomb, July 16, 1945, in the New Mexico desert. (Picture - Library of Congress) VOICE 1: TH

发表于:2019-01-04 / 阅读(92) / 评论(0) 分类 The Making of a Nation

From NPR News in Washington, I'm Korva Coleman. President Obama met with Republican and Democratic lawmakers at the White House today. They discussed job creation programs, health care and cutting the deficit. I'm gonna continue to seek the best idea

发表于:2019-01-08 / 阅读(107) / 评论(0) 分类 2010年NPR美国国家公共电台2月

From NPR News in Washington, I'm Lakshmi Singh. China has surpassed Germany as the world's largest exporter after a more-than-17% surge in 2009. Critics in the U.S. and other nations have complained that China's export success was bolstered in part b

发表于:2019-01-08 / 阅读(121) / 评论(0) 分类 2010年NPR美国国家公共电台1月

THE MAKING OF A NATION - February 14, 2002: Inauguration of Franklin Roosevelt By David Jarmul VOICE 1: THE MAKING OF A NATION -- a program in Special English by the Voice of America. (Theme) American

发表于:2019-01-11 / 阅读(99) / 评论(0) 分类 The Making of a Nation

A day after a new Democratic-led U.S. Congress was sworn in, lawmakers are focusing on an ambitious agenda. Senate Democratic leaders Wednesday outlined their priorities, which range from passing an economic stimulus plan to addressing new global th

发表于:2019-01-13 / 阅读(92) / 评论(0) 分类 VOA标准英语2009年(一月)

By Carolyn Presutti Washington 09 November 2007 Lebanon has postponed presidential elections twice in the past two months.A group of Christian bishops in Lebanon worries that the election deadlock is affecting national unity. As VOA's Carolyn Presutt

发表于:2019-02-03 / 阅读(172) / 评论(0) 分类 VOA常速英语2007年(十一月)

Creating Your Dream Lifestyle With Passive Income Every person has a dream of how they would live their life if he did not have to spend a large amount of his time working. Most people rely on earned income to support their finances. This makes a dre

发表于:2019-02-04 / 阅读(115) / 评论(0) 分类 阅读空间

Creating Your Own Life Welcome to Faith Radio Online-Simply to Relax, I'm Faith Sometimes people come into your life and you know right away that they were meant to be there; they serve some sort of purpose, teach you a lesson or help figure

发表于:2019-02-08 / 阅读(121) / 评论(0) 分类 阅读空间

BEIJING, May 9 (Xinhua) -- The State Council, China's cabinet, said on Wednesday that the country will step up efforts to promote informatization development and strengthen information security. Speeding up the construction of informatization and bui

发表于:2019-02-18 / 阅读(102) / 评论(0) 分类 英语新闻

BEIJING, Dec. 13 (Xinhua) -- Zhang Baowen was on Thursday elected chairman of the Central Committee of the China Democratic League (CDL), a non-Communist political party with about 230,000 members. The party concluded its 11th National Congress on th

发表于:2019-02-18 / 阅读(103) / 评论(0) 分类 英语新闻

DAVID GREENE, HOST: I was on assignment in San Francisco recently, and it involved some food tasting. UNIDENTIFIED PERSON: So this is Chef Crenn's brioche served with a little bit of cultured butter and sea salt. It's her grandmother's recipe. What's

发表于:2019-02-21 / 阅读(92) / 评论(0) 分类 2018年NPR美国国家公共电台12月
学英语单词
aerocraft
aestatilignosa
aggat
amidine
anaglyphic projection
anagrelide
anion exchange process
antecedent river
anti-incumbencies
asplanchna sieboldi
bipinnately compound leaf
bismuth pyrogallate
brown thrashers
caloricity
catabolism
categorists
caveator
cine equipment
circuit off-state interval
classification of rail
cornucoquimba subgibba
cumulativenesses
dating nail
definition of theorem
dichlorpromazine
dinehart
Dolores, I.
dymond
equivalent bragg
ethylidene halide
first-aid kits
foregrasp
frame design
Gilmer
glucose-tolerance
gobble sth up
gross water requirement
guilty place
heated perimeter
holoenzymes
hot-desking/hoteling
huajillo
ibm asynchronous communications adapter
impregnated material
independent load contacts
inert-gas arc welding
infrared pointing control
initial address acknowledgement message
intermittence tone
International Oil Pollution Prevention Certification
international unit of estrogenic activity
Jacot lathe
Kachulu
Kanava
lightning-like
linked clones
mandataries
Mather Platt ager
molecular traumatology
Morasverdes
mountain hypoxia
New York aster
nucleophile substitution
oberkieferkrebs
ophthalmic cup
parchmyn
passive compensator
patzke
phase distortion
philodendron selloum
pilicides
pith cavity
pitofsky
principal nuclear facility
Professional Salvor
purkinje layer
ralfinamide
rampauge
re-elevates
relational data language
roof-topping
rotor peripheral face
scissors bonding
searment
skin depth
soaking time
Song Ci
split knob
stomachache
tailored health communication
terminal facility
terminated attribute
thatl
Thibaw
torsatron
tradevman
tzarina
vertical falling-film absorber
wainaina
waste-collections
water-accumulator power press
zankou