同位素标记物质

说一口流利的英语,从简单的单词开始。 听听,读读,背背,今天你的词汇量又增加了5个。 单词/词义 中英例句 单词听读 jar [ dVB: ] The fall jarred every bon

发表于:2018-12-05 / 阅读(169) / 评论(0) 分类 每日攻克5词

Broadcast: July 15, 2003 This is Bill White with the VOA Special English Agriculture Report. On July second, the European 1)Parliament agreed to let new 2)genetically changed products enter the Europe

发表于:2018-12-07 / 阅读(138) / 评论(0) 分类 VOA2003(下)-农业与经济

MICHEL MARTIN, HOST: And now to the civil rights phrase of this moment - Black Lives Matter. You'll see those words on T-shirts or on yard signs or billboards. It's easy to forget that something that's become such a part of a culture started just a f

发表于:2018-12-17 / 阅读(96) / 评论(0) 分类 2018年NPR美国国家公共电台1月

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. The Earths crust is old. Billions of years old. So old that its nearly impossible to imagine. And now scientists have discovered what may be the oldest

发表于:2018-12-24 / 阅读(156) / 评论(0) 分类 Scientific American(九)月

Describing Order and Sequence Patrick: Okay, your first task is to put all of these files in order. Maya: Wow, there must be hundreds of files in this storeroom. How am I supposed to organize them? Patrick: Create a basic filing system. Put things in

发表于:2018-12-27 / 阅读(171) / 评论(0) 分类 2014年ESL之商务英语

Now Your Turn Task 1 SAMPLE DIALOG Jane: Some countries are suffering from crop failure and famine, but why do they refuse genetically modified crops and foods? Bob: And many Europeans insist that processed foods containing GM ingredients be labeled.

发表于:2018-12-29 / 阅读(120) / 评论(0) 分类 新视野大学英语:视听说教程 4

IV. Speaking Out MODEL 1 Why are people protesting against genetically modified foods? Susan: With so many people suffering from malnutrition around the world, why are people protesting against genetically modified foods? Chris: Some people are prote

发表于:2018-12-29 / 阅读(115) / 评论(0) 分类 新视野大学英语:视听说教程 4

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Theres definitely methane on Marsand there are seasonal variations of how much is being released into the thin Martian atmosphere. Which means that Mar

发表于:2019-01-08 / 阅读(147) / 评论(0) 分类 Scientific American(一)月

This is the VOA Special English Agriculture Report. New rules will let millions of Americans know where more of their food came from. The law is known as COOL -- Country of Origin Labeling. Congress first passed the law in two thousand two. Stores h

发表于:2019-01-11 / 阅读(128) / 评论(0) 分类 VOA慢速英语2008(十)月

Scientists Closer to Solving Plain of Jars Mystery A new group of human remains has been uncovered on the Plain of Jars in Laos. They are believed to date back to the Iron Age, some 2,500 years ago. The Plain of Jars is in the central Lao province of

发表于:2019-01-12 / 阅读(125) / 评论(0) 分类 2016年VOA慢速英语(三)月

Graphene Called Amazing, Versatile Material of the Future 前景光明的多功能材料石墨烯 In 2004, two scientists at the University of Manchester in England isolated a carbon-based material called graphene, with some unusual properties. Andre

发表于:2019-01-14 / 阅读(163) / 评论(0) 分类 VOA标准英语2014年(二月)

Scientists Create Blackest Material Ever Of all the black things in the universe only the infamous black holes are so black that not even a tiny amount of light can bounce back. But scientists have managed to create material almost as black, and it h

发表于:2019-01-14 / 阅读(163) / 评论(0) 分类 VOA标准英语2014年(七月)

台湾籍旅美老师今天交给我们的句子是: I sometimes feel judged and labeled as lazy by my husband and others because Im not an early bird. 我有时候会觉得被我先生或是其他人评断与贴上懒人标签,因为我不是个勤

发表于:2019-01-20 / 阅读(117) / 评论(0) 分类 留美老师带你每日说英文

Idiom: Practice what you preach 言行一致 Hit the book: Audience Circumstance Proceed Resist Channel Suppress 1. If you want to talk (or sing, act, etc.), you have to breathe. And if you want to do these things calmly, you'll need to breathe diaph

发表于:2019-01-22 / 阅读(183) / 评论(0) 分类 趣味青春英语

今天我们要学的词是label。 Label, 标签,标记,作为动词,就是贴标签,归类的意思。 He was labeled a troublemaker, 他被说成是个捣蛋鬼。欧洲法律规定,凡是基因改良含量超过0.9%的食物,生产厂家

发表于:2019-01-26 / 阅读(131) / 评论(0) 分类 英语单词荟萃

一位保加利亚艺术家制作的一系列另类欧洲地图近来在网络上受到热捧。在这些地图中,每个国家和地区的名字都用别国国民对其固有的印象来标注,例如,在名为美国眼中的欧洲的地图上,

发表于:2019-02-02 / 阅读(123) / 评论(0) 分类 阅读空间

Shanghai authorities are testing alleged mislabeled mutton from a wholesaler which supplies a chain of hot pot restaurants run by U.S. fast food firm Yum Brands. Shanghai food safety inspectors have raided a wholesale market and found packages labele

发表于:2019-02-03 / 阅读(122) / 评论(0) 分类 英语新闻

By Nick Wadhams Nairobi 11 July 2007 An international media group says Eritrea is jailing more journalists than any other nation in Africa. As Nick Wadhams reports from our East Africa bureau in Nairobi, the harsh conditions have forced many journali

发表于:2019-02-11 / 阅读(197) / 评论(0) 分类 2007年VOA标准英语(七月)

Compston's machine allowed such rocks to be dated with unparalleled precision. 康普斯森的仪器能以无与伦比的精确度测定这些岩石的年代。 The prototype SHRIMP was built and machined in the Earth Science department's own worksho

发表于:2019-02-17 / 阅读(139) / 评论(0) 分类 万物简史

thread n.(缝衣服的)线;头绪 Do you have a needle and thread I can borrow? 你有针和线可以借我吗? I missed a few words, so I lost the thread of what you were saying. 我错过了几个字,因此我弄不懂你在说什么。 T

发表于:2019-03-17 / 阅读(480) / 评论(0) 分类 赖世雄进阶英语词汇3500
学英语单词
1-canadine
a blinding flash
a-ga
above ground aqueduct
accumulator side piece
adder's-grass
affixal
against someone's will
agropyron
alloyable
amygdala cerebelli
anpromine
anticancer, anticancerous
apikuro
appositionally
asynchronous phase splitter
Audubon, John James
caudal neural arch
cholinergic system
clapotis
coefficient of effective aperture
Cremosuxidine
crusading
culicoides (culicoides) lanyuensis
cyberdisinhibition
Daubert standard
Defense Technical Information Center
demand certificate
Desclidium
dotriacontanoic
dry copper
duchin
electronic stroboscope
English translucent china
exponential decline of oil production
eyin'
face of tooth
fair comment and criticism
fidgetted
German chamomile oil
Hagedorn's needles
horizontal bar
Huab
hydronyms
incontemptible
insurance for impaired lives
Internet traffic management
keep for
lampshade
left lumbar lymph nodes
lichen atrophicus
lisner
lost weight
mattlis
Murinae
national patent collection
non-inertial coordinate
non-wood forest product
Parker board
perigene
piezoelectric transducer
plain water filled roller
plane ashlar
poolcathode
portal vein (or portal system)
pressure period
profit-sharing securities
profit-sharing security
programmed digital logic
pseudopolydora gigeriosa
rediscussed
requestings
rescindible
rhamnus hemsleyana schneid.
Salvesen Cove
sanitation departments
service window
shaping machine
shmoo plot
South Bass I.
specific potential energy of volume change
stewardess dysmenorrhea
sub-tropical
submortuarian
supermarket computer answering service
superstandards
tawite
terminal designation
time-delay closing relay
tooth load
transitional leukocyte
triipalmitin
ultra-HD
underseek
understitch
upthrusted
vacuum-spark ion source
valid ballot
Vanderbilt University
Wetschen
wracking moment
zeolitic copper deposit