同位素含量比值

[00:10.08]complement [00:12.46]vt.补足,补充 n.(C)1.补充补足2.余数 [00:14.84]complete [00:16.27]a.完全的,圆满的 [00:17.71]completion [00:19.19]n.(C,U)完成,完满 [00:20.66]complex [00:22.09]a.1.复杂的2.合成的,综合的 [00:23.5

发表于:2018-11-30 / 阅读(234) / 评论(0) 分类 考研英语词汇2005

Unit 13 The Culture Content of Vocabulary One of the earliest word sets that a student will learn is colors. Later on the intermediate student learns that in English yellow signifies cowardice and green signifies inexperience and jealousy. It is impo

发表于:2018-12-04 / 阅读(182) / 评论(0) 分类 英语流行话题阅读:语境识词4500

ROBERT SIEGEL, HOST: There are museums, and then, there are wonderfully specific museums. We're talking about such institutions as the American Toby Jug Museum, the German Watering Can Museum and, of course, the U.S. National Tick Museum. All of thes

发表于:2018-12-18 / 阅读(172) / 评论(0) 分类 2017年NPR美国国家公共电台6月

Welcome to This I Believe, an NPR series presenting the personal philosophies of remarkable men and women from all walks of life. For our series This I Believe, we receive thousands of essays from young people. Today we hear from one of them. Kamaal

发表于:2018-12-19 / 阅读(212) / 评论(0) 分类 2007年NPR美国国家公共电台

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(188) / 评论(0) 分类 Scientific American(九)月

台湾籍旅美老师今天交给我们的句子是: I have a dream,that my four little children will one day live in a nation where they will not be judged by the color of their skin but by the content of their character. 我有一个梦想,那就

发表于:2018-12-25 / 阅读(186) / 评论(0) 分类 留美老师带你每日说英文

UNIT 74 RADIO PROGRAMS (Ⅳ) Lesson 147 Part Ⅰ Warming-up Exercises Note-taking: Radio Program Reminders 1. VOA / Fill Owen a. Paul Franchat: review of __________________ b. Barry Wood: ____________

发表于:2018-12-27 / 阅读(159) / 评论(0) 分类 英语听力入门 (全四册)

Facebook published detailed guidelines Tuesday for what users can and cannot post on the social media service. Earlier this month, lawmakers called on Facebook chief Mark Zuckerberg to appear in Congress. They demanded that his company take more step

发表于:2019-01-03 / 阅读(222) / 评论(0) 分类 2018年VOA慢速英语(四)月

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(181) / 评论(0) 分类 Scientific American(一)月

What does an 800-pound gorilla eat? If you said: anything it wants, youre not thinking like a scientist. A scientist would say, Let me analyze the isotopic composition of its excreta and Ill get back to you. Because a new study shows that the ratio o

发表于:2019-01-08 / 阅读(165) / 评论(0) 分类 Scientific American(十二)月

[00:05.69]verbal nonverbal mime farce [00:14.52]口头 不用动词的 笑剧 笑剧 [00:23.35]Charlie Chaplin Edward Lear slide skin [00:32.50]查理.卓别林 爱德华.李尔 滑动 皮肤 [00:41.64]bump bump into cruel content [00:49.27]碰(伤)

发表于:2019-01-10 / 阅读(374) / 评论(0) 分类 高中英语人教版必修

[00:28.68]This man is one of the greatest physicists in the world. [00:47.62]He was born in Germany in 1879. [00:53.26]He loved peace and hated war. [00:57.42]He moved to the USA during the Second World War [01:02.67]and spent the last part of his li

发表于:2019-01-10 / 阅读(253) / 评论(0) 分类 高中英语人教版高二

[00:00.00]absence achieve act [00:03.24]n.缺席,不在 vt.完成;达到 n.法令;条例;行为 [00:06.48]advance advanced affair again and again [00:11.19]vt.vi.推进;促进 adj.先进的;高级的 n.事情;事 反复地;再三地 [

发表于:2019-01-10 / 阅读(339) / 评论(0) 分类 高中英语词汇

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(153) / 评论(0) 分类 2016年VOA慢速英语(三)月

Two-week conference aims to achieve legally binding agreement to cut greenhouse gas emissions and has been billed as last best chance to clinch a deal. Sonja Pace | London 04 December 2009 Smoke is seen emitted from a chimney of the cooling towers of

发表于:2019-02-05 / 阅读(193) / 评论(0) 分类 VOA标准英语2009年(十二月)

It seems like everyone is using Twitter these days. You know, sharing little messages with each other on phones and computers. It turns out that all these little messages, if you look at them all at once, become an easy way to find people, news and t

发表于:2019-02-05 / 阅读(146) / 评论(0) 分类 英语万花筒

According to Ric Edelman, author of Ordinary People, Extraordinary Wealth, the purpose of a rsum is not to get a job, it's to get an interviewyou will get the job. A rsum should not list all your skills, but rather tease the employer with your achiev

发表于:2019-02-06 / 阅读(178) / 评论(0) 分类 实用英语

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(171) / 评论(0) 分类 万物简史

The purpose of a letter of applicationis to help the applicant obtain the job he is interested in. It should state clearly what position the applicant wants, and should tell what his abilities are and what he has to offer. It should provide a quick,

发表于:2019-02-18 / 阅读(203) / 评论(0) 分类 实用英语

新托福听力是一般是两个部分,每个部分由一段对话和两个讲座,每个部分需要听的录音大约是20分钟,答题时间是10分钟,这样每个部分需要30分钟。如果遇到加试,加试的一个部分也是由一

发表于:2019-03-02 / 阅读(211) / 评论(0) 分类 托福英语
学英语单词
acetylene smoke
aerosolsonde
aft trimming tank
altar wine
angustate
basils of caesarea
blackspots
blind bidding
brachium conjunctivum cerebelli
broadcastings
bucket naked
butadiene styrene latex
callistocythere chihyunga
carbon clip
carrows
Celorico de Basto
citzens
continuous digester
cribjob
cry pax
dehydrogenated
delayed neutron leached-hull monitor
deleuzian
dickerer
diospyros houii merr.et chun
dragonfruits
egads switch,egads button
eicosapentenoic acid
eirena
electrolyte acids
electronic cargo winch
euvitol
final moulder
first-week
fluoroethylene resin
Glossocardia bidens
greenpeaces
ground rope
helicia erratica hook.f.
hippocampally
hipwidth
hoplomaladera shibatai
humifying
iduronidase
in situ concrete
Internet keyboard
Japanese giant salamander
kneadable
let in on a secret
light flash excitation
manages
megafossils
melancholized
mertinet
motion oculi
mucka-mucka
myorelaxation
nonclinicians
numeric arrangement
numerical trigonometry
optimal nonlinear filtering
orthodonticss
ovalized
palpebral fissure breadth
phenyl-trimethylammonium iodide
Pignan
piss factory
pisses around
planar motion mechanism
power chuck
precision photoplate making camera
prosopagus
Pyasina
qualification review
quantized collector
red - letter days
reduced trace
savanahs
scope of supply
scriber point
sergy
sledded
sorh
sounding installation
ST_games-and-activities_card-games
steam-atomizing burner
T. T. I.
technical centre
Tegelen
thin-slab structure
time reference navigation
Torvlφysa
ultraviolet cytophotometry
unknelled
very-low frequency
wait macro instruction
washing of precipitate
water finder
wenchow
work-work
worthen
yearsbefore