临界(状态反应)堆;临界堆

(一)字数误区 很多人真的把字数看得很重, 无论ETS怎么说, 都没用。 普林斯顿大学曾经对ETS-GRE 6分作文做过分析,发现不论你用怎样的标准去衡量那些文章,你会发现只有一个FACTOR是相同

发表于:2018-11-29 / 阅读(175) / 评论(0) 分类 GRE英语

Our eyes are two of the most important things in our lives. We use them every second we are awake. They help keep us safe, recognize friends, and select things we like. It is possible to lead happy and healthy lives without being able to see, but it

发表于:2018-11-30 / 阅读(180) / 评论(0) 分类 常春藤生活英语

Situation Critical 十万火急 by Kevin Lustig In some jobs, danger can appear at any moment. In the blink of an eye, the routine can become perilous. This month, the National Geographic Channel shows us what happens when a normal situation becomes

发表于:2018-12-08 / 阅读(171) / 评论(0) 分类 常春藤解析英语

The UN has just issued a report saying that six million people in Myanmar need food right now. How critical is the situation? It's a real paradox, because in the same year that Cyclone Nargis devastated the, what had been the rice bowl of Myanmar, th

发表于:2018-12-11 / 阅读(170) / 评论(0) 分类 访谈录2009

1. M:Congratulations! I heard your baseball team is going to the Middle Atlantic Championship. W:Yeah, we're all working real hard right now! Q:What is the woman's team doing? A)Training for the Mid-Atlantic Championships. B)Making preparations for a

发表于:2018-12-29 / 阅读(142) / 评论(0) 分类 英语四级听力-短对话

In Houston, Flight director Kranz is trying to make sense of the barrage of information. I am completely surrounded with reports coming in that I dont fully understand, but frankly, problems are our business, and I thought we are going to solve these

发表于:2018-12-30 / 阅读(208) / 评论(0) 分类 国家地理2007年

A robot entered a damaged reactor at Japan's Fukushima nuclear plant this week to take pictures of the reactor destroyed by an earthquake and tsunami in 2011. The robot, nicknamed 'The Little Sunfish,' is very small about the size of a loaf of bread.

发表于:2019-01-02 / 阅读(156) / 评论(0) 分类 2017年VOA慢速英语(七)月

高考英语阅读理解得分秘籍 在英语考试中,阅读理解往往是决定成败的关键,巧解阅读理解中关于作者意图、观点、态度的问题是在阅读理解中取胜的关键法宝。 作者观点态度题就是指针对作

发表于:2019-01-08 / 阅读(218) / 评论(0) 分类 英语学习方法

By Greg Flakus Houston 05 March 2008 Hillary Clinton made a stunning comeback in Tuesday's primaries and caucuses, winning decisively in Ohio and Rhode Island and coming out on top of a close race in Texas. John McCain won all four states, to clinch

发表于:2019-01-08 / 阅读(150) / 评论(0) 分类 VOA标准英语2008年(三月)

By Melinda Smith Washington 06 September 2007 In 2006, the World Health Organization issued a report that a critical shortage of doctors and nurses has contributed to severe health problems in Africa and parts of Asia.The report said at least four mi

发表于:2019-01-08 / 阅读(198) / 评论(0) 分类 2007年VOA标准英语(九月)

Fusion is how stars produce energy. It occurs when the nuclei of light atoms, such as hydrogen, are fused together under extreme pressure and heat. Tokamak Energy, from Oxfordshire, believes that the third version of their compact, spherical tokamak

发表于:2019-01-17 / 阅读(215) / 评论(0) 分类 2015CRI中国国际广播电台

By Kurt Achin Seoul 05 January 2006 North Korea recently announced it no longer needs the United States to provide it with a light-water nuclear reactor for energy production. The communist state says

发表于:2019-01-25 / 阅读(256) / 评论(0) 分类 2006年VOA标准英语(一月)

Under Fire, TEPCO Prepares for Critical Phase of Fukushima Cleanup TOKYO Workers at the crippled Fukushima Daiichi nuclear plant in Japan are about to embark on one of the most critical aspects of the clean-up: removing the fuel rods from one of the

发表于:2019-01-31 / 阅读(141) / 评论(0) 分类 VOA常速英语2013年(十月)

By Stephanie Ho Washington 15 July 2007 U.S. National Security Advisor Stephen Hadley says Washington still has concerns about North Korea's nuclear program, despite Pyongyang's decision to shut down its main plutonium reprocessing facility. VOA's St

发表于:2019-02-01 / 阅读(185) / 评论(0) 分类 2007年VOA标准英语(七月)

JOHANNESBURG, June 26 (Xinhua) -- Former South African President Nelson Mandela remained in a critical condition in hospital, President Jacob Zuma said on Wednesday. As he remains in a critical condition in hospital, we must keep him and the family i

发表于:2019-02-05 / 阅读(111) / 评论(0) 分类 英语新闻

Im 30 years old, and there are several things that life has taught me that I want to share with you. Some of these things Ive known since I was young, some of these things I have learned recently. 我现在30岁了,我想和大家分享一下这些年

发表于:2019-02-06 / 阅读(112) / 评论(0) 分类 阅读空间

In the Pacific state of Hawaii, U.S. President Barack Obama on Sunday told leaders of the 21 Asia Pacific Economic Cooperation economies that the region will be key to U.S. economic recovery. With much of the formal summit activity, including a worki

发表于:2019-02-08 / 阅读(148) / 评论(0) 分类 英语新闻

Im 30 years old, and there are several things that life has taught me that I want to share with you. Some of these things Ive known since I was young, some of these things I have learned recently. 我现在30岁了,我想和大家分享一下这些年

发表于:2019-02-13 / 阅读(103) / 评论(0) 分类 英语美文

By Scott Stearns Dakar 08 October 2009 Cameroon President Paul Biya (file photo) Authorities in Cameroon have closed a private FM radio station that has been broadcasting illegally from the capital for several months. The station was highly critical

发表于:2019-02-18 / 阅读(136) / 评论(0) 分类 VOA标准英语2009年(十月)

素材来源:《狗狗旅馆》 寄人篱下的姐弟俩为不能继续养自己的爱犬而烦恼,机缘巧合之下他们发现了一栋被废弃的旅馆,并结识了宠物店工作的戴夫和海瑟,他们四个一起联手,偷偷打造狗

发表于:2019-02-26 / 阅读(120) / 评论(0) 分类 英语口语
学英语单词
a Pandora's box
AC input jack
administrative restriction
aerocannon
altitudo
American Vacuum Society
Aneasthesia
aspirated psychrometer
astyphia
beb
beef eater
Benjina
blastid
bond stores
brake arm
brynhilds
bullate
caschynomene indica l.
center-lock
chloroquine poisoning
classification dimensions
computer aided part programming
cone vice coupling
conformation-dependent
cope box
derogatoriness
desert environment
determination of total base
discriminability
droict
emitanins
evolving fault
foley artists
freedomland
frenchified
gelechiid
genetic psychology
hairies
hedgefunds
heterocaryotic mycelium
horse-brasses
ilani
incomplete gear mechanism
INOC
isarithmic
linear story
lobate colony
log sluice
low-magnetic material
maddalena
magsman
meride
metal oxide semiconductor integrated
mfis
microcomputer kit
microvolume
minicamera
Mogocha
molecular sieve sweetening
mothers' pension
navigating equipment
non-selective transmission
nutritional mutation
of antiquity
Omawhaws
oral skills
output decentralized system
painting materials
physiological biogeography
plasterly
platean length
political situation
polymicrobic
polysensitized
poynd
private ward
puffas
quickclay
quinary alloy
repicque
satellite coating
secondary dentin
servo unit
set grazing
shabba
shadow of the earth
site rated output
slavick
snowfighter
straight land
supersuppressor
temporary storage device
tendinosuture
tension-active element
Tetitas
trade talks
transmitter card
trial-frame
uncrewed
valerenone
video display metafile
wheelclamps