碱基转换

发表于:2018-12-04 / 阅读(247) / 评论(0) 分类 自考英语(二)60讲

base, [beis] adj 卑鄙的=vile;私生的 【例】To betray a friend is a base action 出卖朋友是卑鄙的行为。 【根】base本身作为词根:低的,低下的 【类】debase:value=attenuate:force 贬低价值=削弱力量 【反

发表于:2018-12-30 / 阅读(305) / 评论(0) 分类 不择手段背单词

Grammar Girl here. Today, Bonnie Trenga will help us choose better transition words. This article could make you a tad hungry, because today were comparing the art of writing to the art of making a sandwich. In fact, just for today, we might need to

发表于:2019-01-02 / 阅读(203) / 评论(0) 分类 英语语法 Grammar Girl

In 1963, President John Kennedy gave a famous speech at American University. In the speech, Kennedy said the following lines: Our problems are manmade; therefore, they can be solved by man. And man can be as big as he wants. No problem of human desti

发表于:2019-01-03 / 阅读(207) / 评论(0) 分类 2017年VOA慢速英语(九)月

大家都知道,各行各业的人在跟同行业的人讲话时都有一些专门的行业术语。不管是医生,律师还是警察都有他们圈子内用的特殊词汇。这里讲的并不是指

发表于:2019-01-07 / 阅读(278) / 评论(0) 分类 美国习惯用语

A new survey of Internet security says the computer attacks are increasingly being used to make money, rather than simply to make mischief. Virus writers are finding also ways to amplify their powerthey're renting out robot armies of computers under

发表于:2019-01-08 / 阅读(247) / 评论(0) 分类 2005年NPR美国国家公共电台

Monday's meeting at the White House between President George Bush and President-elect Barack Obama is the latest symbol of a presidential transition that appears to be moving ahead smoothly, at least initially. VOA National correspondent Jim Malone

发表于:2019-01-09 / 阅读(234) / 评论(0) 分类 VOA标准英语2008年(十一月)

U.S. President George Bush and President-elect Barack Obama will meet at the White House on Monday. As VOA's Paula Wolfson reports, Mr. Bush says they will discuss the major issues facing the nation. President Bush assembled members of his Cabinet t

发表于:2019-01-10 / 阅读(174) / 评论(0) 分类 VOA标准英语2008年(十一月)

Both U.S. President George Bush and his successor, Barack Obama, are emphasizing the importance of a smooth transition, so Mr. Obama can tackle the country's economic problems as soon as he takes office on January 20. VOA's Kent Klein reports from W

发表于:2019-01-13 / 阅读(179) / 评论(0) 分类 VOA标准英语2008年(十一月)

U.S. President-elect Barack Obama is moving his White House transition forward, as political turmoil builds over the selection of his successor in the United States Senate. The governor of the state of Illinois stands accused of trying to sell the S

发表于:2019-01-13 / 阅读(209) / 评论(0) 分类 VOA标准英语2008年(十二月)

By Shahnawaz Khan Shrinagar 02 June 2008 India has reactivated a strategic air base close to the Chinese frontier in Indian administered Kashmir, more than 40 years after it was abandoned. As Shahnawaz Khan reports, India plans to revive more bases

发表于:2019-01-25 / 阅读(257) / 评论(0) 分类 VOA标准英语2008年(六月)

今天我们要学的词是transition。 Transition, 是过渡的意思。A smooth transition, 就是平稳过渡。古巴总统卡斯特罗宣布辞去国务委员会主席的职务。美国总统布什表示,希望古巴能由此开始向民主过渡

发表于:2019-01-25 / 阅读(221) / 评论(0) 分类 英语每日一词

今天我们要学的词是transition。 Transition, 是过渡的意思。A smooth transition, 就是平稳过渡。古巴总统卡斯特罗宣布辞去国务委员会主席的职务。美国总统布什表示,希望古巴能由此开始向民主过渡

发表于:2019-01-31 / 阅读(204) / 评论(0) 分类 英语单词荟萃

By Al Pessin Pentagon 19 October 2007 The U.S. military's effort to rebuild major infrastructure in Iraq will be winding down during the coming year, leaving the Iraqi government to fund the effort and to find engineers capable of handling the projec

发表于:2019-01-31 / 阅读(225) / 评论(0) 分类 2007年VOA常速英语(十月)

TIANJIN, May 27 (Xinhua) -- China's first state-level animation production base opened Friday in northern Tianjin Municipality, with a total investment of 4.5 billion yuan (690 million U.S. dollars). More than 180 firms have signed up for animation p

发表于:2019-02-03 / 阅读(263) / 评论(0) 分类 英语新闻

NATO's secretary-general says foreign forces in Afghanistan will remain on combat duty during the scheduled transition to Afghan security control in 2014. That statement by Anders Fogh Rasmussen came after U.S. Defense Secretary Leon Panetta said Ame

发表于:2019-02-08 / 阅读(203) / 评论(0) 分类 英语新闻

Senior leader launches high-end automobile production base BEIJING, Oct. 27 (Xinhua) -- Senior leader Jia Qinglin has officially launched a high-end production base for Beijing Automotive's Chinese branded automobiles. Jia, a member of the Standing C

发表于:2019-02-11 / 阅读(222) / 评论(0) 分类 英语新闻

BASE IMAM ALI, Iraq, Dec. 16 (Xinhua) -- The U.S. military handed over its last base in Iraq to the Iraqi authorities on Friday, a day after the U.S. force marked the end of its mission in the country. The transfer ceremony was held at the base in th

发表于:2019-02-19 / 阅读(205) / 评论(0) 分类 英语新闻

China to mark up protected zones for its territorial sea base points BEIJING, Sept. 12 (Xinhua) -- China's State Oceanic Administration (SOA) on Tuesday released a series of measures to select and protect areas as the base points of the country's ter

发表于:2019-02-19 / 阅读(196) / 评论(0) 分类 英语新闻

U.S. military vacated an air base in Pakistan's southwest Sunday, meeting a December 11 deadline set by Islamabad in response to NATO's November 26 air strike that killed 24 Pakistani soldiers. The Pakistani military said it took over the Shamsi base

发表于:2019-03-02 / 阅读(1833) / 评论(0) 分类 英语新闻
学英语单词
a shotgun marriage
accessory teeth
add new project
agricultural pollution control engineering
apportioned rateable value
AURPO
automatic tool changing
be e-
benign dermal lymphadenosis
Bensbromarone
biquinary abacus
bittman
brises
brodovitch
brown-greiest
camcorded
commercial staff and workers troops
communication access method
conditions of verification
coordinate-based modelling system
correction for relief
cortical motor area
criminal-history
crousel
custs
datum surface
denounciation
diplazium kawakamii subglabratum
doctors disagree
dodecyl cyanide
endeavorers
environmental coefficient
fissistigine
fresh shrimp
from the start
fugitives from justice
fully-on
gang show
Garadag
glacio isostasy
hepatokine
high temperature total hydrocarbon analyzer
horse flesh
host assembler
hydroureters
intelligent transportation system
johnson-sea-link
keep up an act
Kryry
leakseeker
lipcleft
loam coarse sand
make herself understood
make oneself strange
marshalships
metal resistor
metallic materials warehouse
mirkin
multiphased theory
nitrogen (bottle) battery
nitrovasodilators
noise pop
nonconceptualized
PASV FTP
Penningby
perspicuousness
photochroms
play a part
pluviometrical
position signal indicator
powney
production control equipment
program memory system
Précy-sous-Thil
pteria lata
quasi-asymptote
radial clearance checking machine
safety glasses
safety pressure margin
saturation magnetisation
scribbling down
smartgrid
solidifying contraction
spindle speed change
split-off
steering transistor
strawberry blond
strident
syndrome of exuberance of lung heat
t'ye
tap grinding machine
timing dial
torn-up
toruli
transient-state response
troell
tuberculous synovitis
uit
vessel constrainded by her draught
whole binding
yellowbook
yocto-coulombs