同位素含量

[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(126) / 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(86) / 评论(0) 分类 英语流行话题阅读:语境识词4500

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(134) / 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(107) / 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(101) / 评论(0) 分类 留美老师带你每日说英文

UNIT 79 STEPS TO SUCCESS (Ⅳ) Lesson 157 Part Ⅰ Warming-up Exercises Phonetics: Contraction, Liaison and Weak Form 1. When you buy something, you expect _____ _____ last. _____ _____ trouble, you _

发表于:2018-12-27 / 阅读(80) / 评论(0) 分类 英语听力入门 (全四册)

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(69) / 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(125) / 评论(0) 分类 2018年VOA慢速英语(四)月

What on earth is love , that makes lovers vow to stick together in life and death. 问世间情为何物,直教人生死相许. Having no wings ,I can not fly to you dear, our heart as one,my inner call you should hear. 身无彩风双飞翼,心有

发表于:2019-01-03 / 阅读(84) / 评论(0) 分类 趣味英语

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(106) / 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(95) / 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(248) / 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(174) / 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(245) / 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(90) / 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(91) / 评论(0) 分类 VOA标准英语2009年(十二月)

Well, that's not exactly the story, because the problem was that Parliament delayed and delayed releasing that data, 呵呵,但我讲述的并不是很完整的故事。因为问题在于,议会不断地拖延公布这些信息, and then they t

发表于:2019-02-13 / 阅读(93) / 评论(0) 分类 TED演讲国际问题篇

Another brick in the wall 另辟蹊径 The rapid rise of newspaper paywalls 付费阅读的大幅增长 ON OCTOBER 10th the Baltimore Sun will join a fast-growing club. The newspaper will start tracking the number of times people read its stories onl

发表于:2019-02-17 / 阅读(97) / 评论(0) 分类 经济学人综合

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(101) / 评论(0) 分类 万物简史

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(129) / 评论(0) 分类 托福英语
学英语单词
aeroheating
affectiously
anaerobion
attache
Australian grass tree
balances of power
belt-up
birging
camasso
carbide-tipped center
card accepting device
case-hardened steels
central power plant
ceratodon purpureus
charge on income
charterland
chucks
circle template
coal-tar epoxy
complementary reproductive type
corporate welfare
Corydalis susannae
costume jewelery
diego riveras
distance between hill
drw
economic mobilizations
endothoracic
equipment manufacturing
event sensing card
ex-gaier
fondaziones
food colors
Gadhaffi
grafting wax
granite masonry
hard-topping
have sticky fingers
head shaking
high strength plaster
intentional delay of the game
jelena
jens otto harry jespersens
jumper connector
kinetic order
label-cutting press
low-level processing
lucente
lxxxviiiest
mangrove ecology
marmarization
Maroon toner
mate preference
mental diseases
metallic-pattern
moving armature loudspeaker
murine plague
my lord
NDRW
nucleonic level indicator
on-the-air
orthostaphyline skull
Pedicularis myriophylla
photoblogging
pleural ring
podothecae
polyporus tenuiculuss
portable character set
post central office
price-discriminating
psammoliftoral
pulse width modulation inverter
quantized pulse position modulation
queleas
Quita Calzón
raced
re-injury
reamer bushing
saddle-tree(linriodendron tulipifera l.)
self-clearing
sensible cooling effect
Software as a Service
spiral delay line
sproinging
stump mast
teleostei abdominales
the Mideast
throw sth in
total factor productivity (tfp)
trierenberg
unfallacious
unflagged
vector subtraction
verderers
vertical saw-frame
vertical temperature profile radio meter
virtualizations
voter turnouts
water area
weekdaiest
x-rayings
zero absolute temperature