脉冲的极限重复频率;脉冲限制率

AS IT IS 2014-12-26 US Politics Could Affect Iran Nuclear Talks 美国政治将影响伊朗核谈判 U.S. Secretary of State John Kerry says he will continue to try to negotiate an end to the dispute between Iran and Western nations over Iran's nucle

发表于:2018-11-27 / 阅读(400) / 评论(0) 分类 2014年VOA慢速英语(十二)月

四级作文作为拉分的重点部分,应引起同学们足够的重视,小编找了许多作文范文来给同学们练习和提升语感。 Directions: Write a composition entitled Limiting the Use of Disposable Plastic Bags. You should write

发表于:2018-11-29 / 阅读(212) / 评论(0) 分类 四六级写作指导

The Supreme Court often looks at a major social issue over a series of cases. In the late 1990s and early 2000s, it considered the rights of gay people. At the time, voters in many states had approved laws strongly limiting gay rights. For example, p

发表于:2018-12-01 / 阅读(285) / 评论(0) 分类 2018年VOA慢速英语(八)月

17Giving First Aid GLOSSARY nurse a medical professional who helps a doctor; a person who provides basic medial services, but isnt as highly trained and educated as a doctor* If you like taking care of people, but you dont want to be a medical studen

发表于:2018-12-03 / 阅读(259) / 评论(0) 分类 2007年ESL之就医和人际交往

Beliefs 信念 Your beliefs are very powerful and have the power to create or to destroy your life. In most cases, whatever you believe, is what you will become. If you believe that you are loser, that you never get a break in life, that you cant acco

发表于:2018-12-07 / 阅读(132) / 评论(0) 分类 美丽英文

So how is it, doc? It goes alright? Good. OK. I have my pulse checked coz Jim from Texas says his pulse is fast, really fast and he'd like to know if he should worry about it. Is a fast pulse an indication of anything specific? Well, you'd know the n

发表于:2018-12-11 / 阅读(209) / 评论(0) 分类 访谈录2009

This is Scientific American's 60-Second Science, I'm Cynthia Graber. This will just take a minute. Even if you have a light hand with the salt shaker, you probably get lots of sodium in processed or restaurant meals. But sodium can contribute to high

发表于:2018-12-24 / 阅读(162) / 评论(0) 分类 Scientific American(六)月

Limiting Free Speech Toshi: You cant go outside looking like that! What are you thinking? Celeste: Im exercising my right of free speech. Ive put on these clothes and painted my body this way to protest the treatment of women. I want to send a messag

发表于:2018-12-27 / 阅读(157) / 评论(0) 分类 2013年ESL之日常生活

A CDC study of 4,000 adults found that more than 90 percent ate more sodium than recommended levels. Even if you have a light hand with the salt shaker, you probably get lots of sodium in processed or restaurant meals. But sodium can contribute to hi

发表于:2019-01-02 / 阅读(179) / 评论(0) 分类 60秒科学

CAIRO, Jan. 5 (Xinhua) -- The draft law limiting protests in Egypt, which is currently being studied after recently being announced by Justice Minister Ahmed Mekki, stirred up an overwhelming debate in the Egyptian political arena. Contradictory repo

发表于:2019-01-08 / 阅读(151) / 评论(0) 分类 英语新闻

President Barack Obama says the United States must lead the effort to reduce the spread of nuclear weapons. The president commented Tuesday after meeting with former secretaries of State and Defense. President Barack Obama at the White House, 19 May

发表于:2019-01-11 / 阅读(135) / 评论(0) 分类 VOA标准英语2009年(五月)

There is a consensus among the delegates and world leaders attending the climate change conference in Copenhagen on the need to cut greenhouse gas emissions and shift to cleaner/more efficient energy. But a research center in Britain is espousing a d

发表于:2019-01-13 / 阅读(122) / 评论(0) 分类 VOA标准英语2009年(十二月)

Congress Debates Limiting US Farmers' Role in Food Aid When starvation looms, speed is critical. But while the U.S. provides more emergency food aid than any other country, speed is not what it does best. Andrew Natsios witnessed this shortcoming fir

发表于:2019-01-14 / 阅读(128) / 评论(0) 分类 VOA标准英语2013年(六月)

(SOUNDBITE OF MUSIC) DAVID GREENE, HOST: So it has been a year now since a gunman killed 49 people at the Pulse nightclub in Orlando. And today on StoryCorps, we're going to remember Deonka Drayton, one of the people murdered that night. She was 32 a

发表于:2019-01-17 / 阅读(262) / 评论(0) 分类 2017年NPR美国国家公共电台6月

The lower house of Russia's parliament, the Duma, passed legislation Friday limiting the ability of foreigners to invest in industrial sectors considered as strategic. This came shortly after the Russian government announced the arrest of two Russian

发表于:2019-02-07 / 阅读(123) / 评论(0) 分类 VOA双语新闻 2008年3月

By Caroline Sawyer Nairobi 07 August 2007 Kenyan President Mwai Kibaki is reviewing a controversial amendment to the country's media law that, if approved, could send reporters to jail for refusing to reveal their sources. Caroline Sawyer has details

发表于:2019-02-08 / 阅读(197) / 评论(0) 分类 2007年VOA标准英语(八月)

A number of years ago, I had the rather unique experience of being backstage in Madison Square Garden, in New York, during the Ringling Brothers Barnum Bailey Circus. To say the least, it was a fascinating experience. I was able to walk around lookin

发表于:2019-02-09 / 阅读(124) / 评论(0) 分类 英语美文

Lesson 334 Your pulse is regular. 1.Your pulse is regular.您的脉搏正常。 2.I have a regular diet.我的饮食是有规律。 3.I'm not a regular lawyer.我不是正式的律师。 4.He has no regular work.他没有正式的工作。 5.It's my

发表于:2019-02-12 / 阅读(197) / 评论(0) 分类 辛沛沛NO-BOOK 辛沛沛傻瓜机口语极短句

While China is further opening up its economy to the world, the United States is gradually turning itself into the Man in the Case, a character created by Russian literary giant Anton Chekhov, the China Radio International (CRI) commented in an artic

发表于:2019-02-14 / 阅读(143) / 评论(0) 分类 2018CRI中国国际广播电台

Background: 高盛投资银行英国分部的高层老板决定把去年的工资和奖金额度限定在一百万英镑或一百六十万美元之内。 After a year of strong profits, Goldman Sachs bankers could have been in line for even larger bo

发表于:2019-02-21 / 阅读(115) / 评论(0) 分类 英语听力精选进阶版
学英语单词
-tropous
allagophyllous
antierythrite
apparent authority
appraisal cost
atmosphere zenith delay
Bacillus influenzae
barium mercury iodide
Beauty and folly are often companions.
belted plain
berislav (beryslav)
blade-coated
bor(o)-
brashness
buliking filling
call one's shots
catch cold
check-stop
Cheiron
chondralgia
chumped
cold roll neck grease
container managed persistence
corona voltmeter
coughed
days of reckoning
decamalee
dendrohydrology
design award
Diguanyl
discrete Fourier transformation
efficiency of mercury withdrawal
eptatretus sheni
equity of rights in litigation
essentially bounded function
film radiography
floater door
gamma-diversity
ground water discharge
half-value layer(HVL)
high-sodium high-sulfur fuel oil
hyperbolic measure
indexing machine
Joint Strategic Planning System
justice's court
Karacasu
kulwicki
laminated ferrite memory
latrotoxins
leasehold improvements
Leyden phial
massive plate
meal moth
mechanical track aligner
mechanically-agitated autoclave
metal-neutral
millefleur tapestry
mini tower
minimum punishment
monohybrid crosses
needle machine
nervus cardiacus superior
non-privileged program
nonequilibrium system economics
nook-shotten
out migration
parasitic neutron capture
partovi
phase modulation transmitter
phonological change
positive temperature coefficient thermistor
postvaccinal skin disease
pragmatic jurisprudence
primary exporting
protective umbrella
pseudo-individualizations
quilt rivet
racemisations
rated value
read only device
resilient clutch
Russian tick-borne encephalitis
sauslyme
seamless handover
Sean O'Casey
shack fever
slice of furrow
snow clearer
split DNS
steel industries
still-working
subgroup element
thermal plastic block copolymer
topdown control
uncoatings
vadable
wasbunds
waterless gas-holder
well-describeds
Wenningstedt
wet spell
without contrast