【分子生物学】碱基类似物[亦作 base analogue]

发表于:2018-12-04 / 阅读(132) / 评论(0) 分类 自考英语(二)60讲

This is Scientific American's 60-Second Science. I'm Christopher Intagliata. Got a minute? Whether it's for streaming Netflix or sharing files, we're gobbling up more and more dataand we want it faster. But even shooting data with lasers over fiber-o

发表于:2018-12-24 / 阅读(126) / 评论(0) 分类 Scientific American(五)月

This Cell Phone Needs No Battery 不用电池的新型手机? A dying battery is a huge annoyance for cell phone users. But for engineers? It's inspiration. Can we design a smartphone which can make a phone call and have a conversation without the

发表于:2018-12-24 / 阅读(84) / 评论(0) 分类 2017年科学美国人(七)月

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(145) / 评论(0) 分类 不择手段背单词

Multimode Optical Fiber(S) Multimode fibers, with much wider cores than single mode fibers, allow light to enter at various angles, and reflect (bounce off of) core-clad boundaries as electromagnetic

发表于:2019-01-03 / 阅读(123) / 评论(0) 分类 电信英语

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(176) / 评论(0) 分类 美国习惯用语

The government reports the nation's Gross Domestic Product fell one percent in the first quarter, a far slower contraction than the previous quarter when GDP shrank 6.4%. President Obama called it progress resulting from his administration's actions

发表于:2019-01-08 / 阅读(123) / 评论(0) 分类 2009年NPR美国国家公共电台8月

AS IT IS 2015-05-12 South African's Love Affair with Vinyl Records 南非与黑胶唱片的情缘 Benjy Mudie owns Vinyl Junky. He flips through records inside his Johannesburg store. His vinyl albums are much more expensive than CDs or MP3s - digita

发表于:2019-01-12 / 阅读(81) / 评论(0) 分类 2015年VOA慢速英语(五)月

Volunteers Get Taste of Mars in Hawaii 志愿者在夏威夷体验火星 For generations, people have dreamed of traveling to Mars to explore Earth's closest planetary neighbor. NASA and other space agencies have announced plans to send people to the

发表于:2019-01-12 / 阅读(93) / 评论(0) 分类 2015年VOA慢速英语(三)月

Britons have been watching almost 2-1/2 hours more television a week this year as cash-strapped people stay at home more -- and because there's more to watch, figures showed on Tuesday. Official statistics from The Broadcasters' Audience Research Boa

发表于:2019-01-15 / 阅读(115) / 评论(0) 分类 实用英语

Which is the hardest word to translate in this sentence? 哪一个单词是这个句子中最难翻译的? Know is easy to translate. know是很容易翻译的。 Pep rally doesn't have a direct analog in a lot of languages and cultures, but can be

发表于:2019-01-17 / 阅读(102) / 评论(0) 分类 TED演讲教育篇

The Blue Box 蓝盒子 The ultimate combination of pranks and electronicsand the escapade that helped to create Applewas launched one Sunday afternoon when Wozniak read an article in Esquire that his mother had left for him on the kitchen table. 恶作

发表于:2019-01-22 / 阅读(104) / 评论(0) 分类 乔布斯传

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(147) / 评论(0) 分类 VOA标准英语2008年(六月)

SCIENCE IN THE NEWS - Rethinking the Personal Computer in a World That Centers on the InternetBy Caty Weaver and produced by Mario Ritter Broadcast: Tuesday, August 15, 2006 VOICE ONE: This is SCIENCE

发表于:2019-01-30 / 阅读(135) / 评论(0) 分类 2006年慢速英语(八)月

Abrupt junction 突变结 Accelerated testing 加速实验 Acceptor 受主 Acceptor atom 受主原子 Accumulation 积累、堆积 Accumulating contact 积累接触 Accumulation region 积累区 Accum

发表于:2019-02-05 / 阅读(118) / 评论(0) 分类 实用英语

当很多成人还在等待苹果的iWatch上市,孩子们已经可以拥有自己的智能手表了。Kidizoom推出一款名为Vtech的儿童智能手表准备抢滩节日玩具市场。 这款儿童智能手表售价60美元,屏幕1.4英寸,可

发表于:2019-02-06 / 阅读(192) / 评论(0) 分类 阅读空间

To the surprise of exactly no one, Apples new generation of iPhones will not include a standard 3.5mm headphone input. The decision signals the demise of an audio port thats been used for more than 100 yearsand honestly, its about time. The death of

发表于:2019-02-06 / 阅读(134) / 评论(0) 分类 阅读空间

常用句型科技文章中经常使用若干特定的句型,从而形成科技文体区别于其他文体的标志。例如Itthat结构句型;被动态结构句型;结构句型,分词短语结构句型,省略句结构句型等。 举例如下

发表于:2019-02-18 / 阅读(117) / 评论(0) 分类 英语口译

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(1680) / 评论(0) 分类 英语新闻

The humanitarian model has barely changed since the early 20th century. 人道主义的模型自从20世纪初期就几乎没有改变过 Its origins are firmly rooted in the analog age. 它的起源在模拟时代就根深蒂固了 And there is a ma

发表于:2019-03-04 / 阅读(159) / 评论(0) 分类 TED演讲教育篇
学英语单词
absorbed oiler
acyclic machine
Aden,Gulf of
adjustable bracke block
Alabota
alignment of orientation
allowance for dependents
amorphous semiconductor lasers
armies of the pure
artificial rockwork
astronomical position finder
ballad-like
ballonet fullness indicator
beat up against
bend fracture
Berlingen
blanking adapter
Bryn Mawr College
buckdens
building cost index
capillary extrusion rheometry
catching sight
cbrn
clausthalers
co-creditor
coaxial noise source
comradelinesses
conreport
contact area pattern
copy-editors
deoxidized annealing
direct injection engine
drumodyn
eosinophilic nonallergic rhinitis
erysiphe orontii
fadeup
famel
fascine barge
fluorine containing lubricant
font family
Fraxinus pennsylvanica
fter
full-bridge rectifier
gastrocarp
gland leak-off steam condenser
guzzetti
hardening fixer
hexyl amine
hole table
horridum
hurumite
in close order
inflammatorily
insulating strength
International Brigades
jump on to the bandwagon
life consumption
lithocarpus polystachyus rehd.
lots cargo
Masuccio, Mte.
mean to
nervus muscularis
nonbiased
noncomedy
oil-changes
oxy-carbonitride
pineapple crown
plough guide
programmed image control
pseudobasidium
racemic modification
Radomsko
recognition matrix
reinserter
rounded bow
satellite loading building
satellization
Sibbaldia perpusilloides
slumber room
sound diffusivity
spindle-shaped meteor
sprocket tooth
stack paint
stage of heteronomy
Strassgang
structure height
surface traverse
swanimotes
Tamil Nadu
the sword of the spirit
trekked
Triglops
triisobutylaluminium(TIBAL)
trinitrometacresol
twinny
universal-grinder
vessel side
video-display
vogueishness
vorbarn
weakknees
yow