对角化; 对角线化
n. changing a square matrix to diagonal form (with all non-zero elements on the principal diagonal)
词型变化:名词复数形式 : diagonalizations
【近义词】

Kaylee: do you want to go out for dinner tonight? Nathan: sure. Have you got anywhere in mind? K: I'm starving, so maybe we could go somewhere with large portions. N: that Italian restaurant in the city centre always has large portions. Do you want t

发表于:2018-11-30 / 阅读(276) / 评论(0) 分类 生活英语情景口语

Following the historic summit between President Donald Trump and North Korean Chairman Kim Jong-un, Secretary of State Mike Pompeo met with the foreign ministers of South Korea, Japan, and later China to brief them on the way forward with North Korea

发表于:2018-12-08 / 阅读(128) / 评论(0) 分类 VOA标准英语2018年(六月)

London Terror Probe Traces Path to Radicalization, via Somalia In the days since the killing, it's emerged that one of the suspects, Michael Adebolajo, was arrested in Kenya in 2010, accused of seeking training with terror group al-Shabab in neighbor

发表于:2018-12-16 / 阅读(132) / 评论(0) 分类 VOA标准英语2013年(六月)

AILSA CHANG, HOST: The leaders of the rival Koreas have agreed to work towards formally ending the Korean War and to seek a nuclear-free peninsula. That agreement came out of a day-long and historic summit between North Korea's Kim Jong Un and South

发表于:2018-12-17 / 阅读(163) / 评论(0) 分类 2018年NPR美国国家公共电台4月

Senior Citizens Day is on August the 21st. It is a day to celebrate the worlds older people. Their number is increasing rapidly every year. In 1950 there were 200 million people over 60 years old. That number nearly tripled to 600 million in 2000. Ex

发表于:2018-12-29 / 阅读(186) / 评论(0) 分类 英语课程学习计划和讲义

Pizza Hut is one of the worlds best-known pizza restaurants. It was founded in 1958 in Kansas, USA, by brothers Dan and Frank Carney. Twenty years later, it was bought by Pepsico. Pizza Hut offers dine-in, takeaway and home delivery options in nearly

发表于:2019-01-01 / 阅读(156) / 评论(0) 分类 各大品牌英文介绍

Daddy, lets order a pizza, Billy said. That sounds like a good idea, said his dad. They looked at a menu they had at home. What kind do you want? his dad asked. Billy wanted a large pizza. He wanted a pizza with four toppings. He wanted cheese, peppe

发表于:2019-01-02 / 阅读(171) / 评论(0) 分类 简单慢速英语阅读

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(173) / 评论(0) 分类 2018年VOA慢速英语(九)月

Steve: Hi, this is Steve. I'd like to talk about pizza. Pizza is my favorite food. I like it because you can have pizza every day and it can be different each time. My favorite toppings on pizza are pepperoni, mushrooms, basil, garlic. I like lots of

发表于:2019-01-08 / 阅读(140) / 评论(0) 分类 原版英语对话1000个

A: My name is Mary, and I will be your waitress tonight. B: Thank you, Mary. We have been looking forward to trying out this restaurant. A: Before your main course, would you like to order an appetizer? B: Sure, that sounds great. Where are your appe

发表于:2019-01-11 / 阅读(159) / 评论(0) 分类 英语情景对话-餐厅

DIA through,between,across 穿越,居中 字首 dia 源起希腊文介系词与副词dia,为through 或 between 之意. 这个字首在希腊文中已拥有不少单字. 如dialect n. [方言] 和diale

发表于:2019-01-11 / 阅读(133) / 评论(0) 分类 考研英语

I was very delighted to hear the topics and the briefing that Dr Muhammed ul-Qadri gave, especially on the aspect of de-radicalization of the youth What is being called the Western world's first anti-terror camp for young Muslims is being held in Bri

发表于:2019-01-13 / 阅读(146) / 评论(0) 分类 VOA标准英语2010年(八)月

Warning signs 警告标志 This is the machine hall. Do you notice that sign over there - the red circle with a diagonal line through it? It means you mustnt smoke here. A blue circle shows something is compulsory - so that sign over there means you

发表于:2019-01-14 / 阅读(198) / 评论(0) 分类 职业技术英语口语

As Egypt's Jails Fill, Growing Fears Of A Rise In Radicalization DAVID GREENE, HOST: Egypt has a history of breeding militancy in its jails. Some of the figures who inspired the birth of al-Qaida became extremists during their abuse in prison there.

发表于:2019-01-17 / 阅读(145) / 评论(0) 分类 2016年NPR美国国家公共电台8月

LULU GARCIA-NAVARRO, HOST: We now get a rare look inside a French prison. Officials in France say prisons have become incubators of extremism. Many of the homegrown terrorists who've launched attacks in places like Paris and Brussels recently were ra

发表于:2019-01-17 / 阅读(138) / 评论(0) 分类 2017年NPR美国国家公共电台6月

South Korea announced an extension of its air defense identification zone on Sunday. The zone encompasses submerged rocks within the overlapping exclusive economic zones of China and South Korea. China responded on Monday saying it was willing to mai

发表于:2019-02-06 / 阅读(147) / 评论(0) 分类 CCTV9英语新闻2013年12月

今天我们要学的词是bizarre。 Bizarre,稀奇古怪的。在星期六晚上举行的美国网球公开赛女子单打半决赛中,美国选手小威廉姆斯因为辱骂裁判而输了比赛。The women's semifinal at the U.S. Open ended i

发表于:2019-02-06 / 阅读(133) / 评论(0) 分类 英语单词荟萃

Khizr Khan Says He Would Live This Week A 'Hundred Million Times' Over KELLY MCEVERS, HOST: Khizr Khan can't go anywhere without being noticed. People hold doors for him, cry when they see him, even jump out of cars to hug him. He became known around

发表于:2019-02-13 / 阅读(284) / 评论(0) 分类 2016年NPR美国国家公共电台8月

During his telephone conversation with US Secretary of State John Kerry, Wang Yi underscored China's firm stand on promoting the elimination of nuclear weapons on the Korean Peninsula, and the safeguarding of regional peace and stability. Both sides

发表于:2019-02-14 / 阅读(164) / 评论(0) 分类 2016CRI中国国际广播电台

The victimized water vat is located in the Imperial Garden of the Forbidden City. The names scratched into the vat appear to be Zhang Tao and Liu Ya, and are carved between two handles on the over 300-year-old bronze relic, surrounded by a heart-shap

发表于:2019-02-14 / 阅读(195) / 评论(0) 分类 2015CRI中国国际广播电台
学英语单词
2-amino-3-methylbutyric acid
4-aminopyridine
accomplishment quotient
aceae
adze-eye hammer
air charged accumulator
air miss
Alzette
arsenic triacetate
Ascheberg(Holstein)
be out of luck
bearing selector
beet alcohol
Benedict Arnold
blood-suckings
bloomings
Borgund
brasscoloured
brief abstract
brushings
bueller
byte-serial transmission
cackhandedness
cavalier-smith
certificate of authority
chloropropene
closing of the morning session
comment card
convulsions
cortical granule
critical damping(dead beat)
crystalline lens
currency liquidity
deerdom
eat my shorts
effective scattering cross-section
elaboration of persuasive message
eletronegative substituent
ESSFLO Chart
express proclamation
female which has produced young
finished silk fabric
foisting on
foot fault
fornari
freezing by indirect contact
haliaetus
Heers
hydraulic speed setting valve
Il'yushino
Impatiens tayemonii
importunance
isocaproate
licking her lips
LLL circuit
Maytenus longlinensis
memory reference order
metaemotional
microvolumetric analysis
negative-bath
non-canadian
oakheart
Oelsberg
oil repellent finishing
oligarchist
omental sac
orbicular-ovate
photomagnetoelectric theory
pick your poison
planning island
plant operating reliability
PNRE
previte
PTLD
question of law
rbFGF
rear wall skin
resident agency
self-protections
sequence selector switch
shittier
shockmitigation
short wave cut-off filter
spontaneous ventilation
ster-
strawberry geranium
subaquatic
surface absorptivity
tag us
tail tube
tea-party
ten-key calculator
tethra
to pass the ball
torch-bearers
tractor protection valve
trichopoulos
wastes of space
wegmann
wire coiling
work center variable capacity master