同位素计时

Editors note: This is the third episode of four-part series on verb tenses. Be sure to listen to part one and part two first. For VOA Learning English, this is Everyday Grammar. Today we are going to talk about the perfect verb tenses. Perfect tenses

发表于:2018-11-27 / 阅读(430) / 评论(0) 分类 2016年VOA慢速英语(十二)月

Unit 8 Healthy Living In-Class Reading Set Your Body's Time Clock to Work for You 1 As the first rays of sunlight filter over the hills of California's Silicon Valley 1, Charles Winget opens his eyes.

发表于:2018-12-18 / 阅读(150) / 评论(0) 分类 新编大学英语阅读部分

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

anachronism /əˈnkrənɪzəm/ It is an anachronism to say that William Shakespeare typed his manuscripts. -- error in chronology or time order ﹌﹌﹌﹌﹌﹌﹌﹌﹌﹌﹌﹌﹌﹌﹌﹌﹌﹌﹌﹌﹌﹌﹌﹌﹌ n. 年代的错误 如果说威廉

发表于:2018-12-30 / 阅读(104) / 评论(0) 分类 突破英文词汇

International Organization for Standardization (ISO) ISO is a worldwide federation of national standards bodies (ISO National Bodies). The work of preparing international standards is normally carried

发表于:2019-01-03 / 阅读(121) / 评论(0) 分类 电信英语

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(132) / 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(118) / 评论(0) 分类 Scientific American(十二)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(109) / 评论(0) 分类 2016年VOA慢速英语(三)月

Everything Old is New Again at Met Breuer Museum NEW YORK When it comes to art, perspective is everything. Perhaps that's why directors at New York City's famed Metropolitan Museum of Art decided to shift theirs, setting their sights on a new locatio

发表于:2019-01-14 / 阅读(131) / 评论(0) 分类 VOA标准英语2016年(三月)

直到我遇见你 The Sunstreak - Until I Met You Until I Met You The Sunstreak I once believed that there was no one for me, until I met you, But I couldnt see how happy I could be, until I met you, Until I met you, You Standing alone, no one to ca

发表于:2019-01-16 / 阅读(250) / 评论(0) 分类 好听的英文歌曲

Havent Met You Yet by Michael Buble I'm not surprised Not everything lasts I've broken my heart so many times I stop keeping track Talk myself in I talk myself out I get all worked up And then I let myself down I tried so very hard not to loose it I

发表于:2019-01-16 / 阅读(162) / 评论(0) 分类 听歌学英语

深情爵士男声Michael Buble Haven't Met You Yet Michael Buble I'm Not Surprised Not Everything Lasts I've Broken My Heart So Many Times, I Stop Keeping Track. Talk Myself In I Talk Myself Out I Get All Worked Up And Then I Let Myself Down. I Trie

发表于:2019-01-16 / 阅读(321) / 评论(0) 分类 好听的英文歌曲

新编英语教程第六册unit03_2_The_Night_the_President_Met_the_B

发表于:2019-01-25 / 阅读(189) / 评论(0) 分类 新编大学英语阅读部分

You? Roscoe Village, on Hoyne. But I have a roommate. If you come up to my place you have to close your eyes and count to one thousand. Perhaps you have a very uninquisitive deaf roommate? No such luck. I never bring anyone over; Charisse would pounc

发表于:2019-01-29 / 阅读(123) / 评论(0) 分类 时间旅行者的妻子

Dear Fabrizio, The day we met is the day I will never forget. Over and over I replay our chat and our first telephone conversation in my mind! You are so amazing you drive me crazy! You make me feel so happy and complete. If I hadn't met you. I know

发表于:2019-02-01 / 阅读(123) / 评论(0) 分类 实用英语

A new study suggests morning people are born, not made. 一项新的研究表明,早睡早起是与生俱来的特质,不是后天养成的。 Here's some good news for all you night owls desperately trying to get better at mornings - new researc

发表于:2019-02-02 / 阅读(138) / 评论(0) 分类 阅读空间

Dear Fabrizio, The day we met is the day I will never forget. Over and over I replay our chat and our first telephone conversation in my mind! You are so amazing you drive me crazy! You make me feel so happy and complete. If I hadn't met you. I know

发表于:2019-02-04 / 阅读(146) / 评论(0) 分类 英语作文

So there I was at seven thirty in the a.m., perched on my scooter at an intersection waiting to turn. I was sitting at the lights lost in my own thoughts when all of a sudden I became aware of a presence no, not a poltergeist; a bloke on a mountain b

发表于:2019-02-07 / 阅读(198) / 评论(0) 分类 阅读空间

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(121) / 评论(0) 分类 万物简史

模仿文本: Do you jump out of bed each morning, raring to start the day, or do you need at least one alarm clock, preferably one with the snooze button, to ensure you get to work on time? Which chronotype are you, a lark or an owl? Over the last

发表于:2019-03-06 / 阅读(192) / 评论(0) 分类 英音模仿秀
学英语单词
ABO
amoebiasis
aptitade tests
arbitrary speed
at the precise moment
B-Plex
basic undertakings
buggies
cannon balls
centinels
cervicobasilar
cherry stones
combined impulse and reaction turbine
consequendy
counter-sea
cuminosides
Cymbopogon jwarancusa
cytolysosome
decoratively
duellers
duodecimal system
Echostigmine
electrostatic (percussive) welding
end-to-end anastomosis of rectum
entails
false c.
Fasciculatin
flocculating tank
foreign exchange assets
FR-1314
frosty mildew
garthwaite
generalized regressive model
Google hands
graminearum
guide bush for tierod
helps out
hiltbrunner
hinter
hockey teams
idealized population
Ignace Jan Paderewski
Ilangilang
klaas
lacracin
lamper-eel
Lingbo
magnetic type speed ometer
Mansalay
marine laws
merese
mewlyter
naknek
o-type backward-wave oscillator
ohlsen
optimal anticode
oyster opener
parallel search type memory
parasitic pleural effusion
parenchyma cells
penny-prick
phosphatidylserine(PS)
pintle hook lock
planococcus citris
polyarylsulfone (pasf)
population correlation coefficient
post defecation
presence and absence hypothesis
proerythroblast
pulse-time modulation (ptm)
Punjabi
purchasing and selling prices
quasi-crystalline structure
remean
remoto-cut-off tube
rerated
Sachs' disease
salmon coloured precipitate
scattering propagation
scholar's mates
schottler
search and rescue satellite aided tracking
security permission set
separately pumped electron gun
skin inclusion
Skógafoss
software design document
soluble sugar
stand of arms
standcarb
tisked
tondals
took the floor
trichotomies
troop movement
trousers down
tutor-student
upboats
varicocelectomies
Volyns'ka Vysochyna
water standard
Zenobia