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(515) / 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(205) / 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(183) / 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(165) / 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(167) / 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(172) / 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(162) / 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(147) / 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(172) / 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(302) / 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(226) / 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(371) / 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(244) / 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(173) / 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(178) / 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(185) / 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(182) / 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(243) / 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(169) / 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(232) / 评论(0) 分类 英音模仿秀
学英语单词
A.h.l.
Airy disk
al muwaylih
alarm dead band
anglo-scot
Anthomyiidae
antirealist
Anxian
applied moisture
Ask Size
autopathic
bellfields
blowdown nozzle
British Tug Owners Association
bruyker
cavia aperea
cepphus grylles
clevis and tongue coupling
compensation program
connaroides
continuous injection angle
corepression
critical micelle concentration
cross-remainder
dangerous circle
delouse
Dichocarpum fargesii
discriminant score
downscale protection
dummy backward channel
e. s.
ecocidal
eurodin
expatriate salesman
filled-aperture
flat separating disk
genus pelargoniums
helicopter deck
hereditary benign intraepithelial dyskeratosis
hydrazono
hydrotator classifier
improper feeding
in per capita terms
internal law of nations
internal radiation hazard
jogging machine
kaleidoscopically
kit software
krynn
limunectin
local derivational constraint
main pull rod
maxi single
mesorchia
methylsodium
mixed cell lymphosarcoma
mixtecs
mold curing
multi protocol label/layer switching
nonbrain
NYHA
octagonal grid
osier willow
peage dues
per mensen rate
petrolisthes japonicus
pharyng
port to-valve scavenging
private-bank
pyrophoric barium alloys
radio brightnesses
random asccess memory
repromote
requin
reverse turn limiter
rijsttaffels
rubimaillin
rux
saldivar
sayaw sa pagibig (philippines)
schiavinatoite
section engineer
seismic moment tensor
shorewood
silk inspection and testing
simultaneous whorls
skio
slip factor
sphenodontids
surface geology
swingaway
the foregoing
the Pool
title song
transdeamination
two-fingered
USTU
votebanks
way-station
wheel papilla
yearly maintenance
you think