[化] 三苯甲基化物

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(468) / 评论(0) 分类 2016年VOA慢速英语(十二)月

Sorry,there is not text temporarily, Please help tingroom to look for it! 如果您能找到更好的听力原文,请发贴到 听力原文收集区 ,您将会获得 10 到 30 积分的奖励 ! Thank you !

发表于:2018-12-04 / 阅读(237) / 评论(0) 分类 冀教版高中英语必修二

Mr. President, Mr. Speaker, Members of the Congress of the United States: The gravity of the situation which confronts the world today necessitates my appearance before a joint session of the Congress. The foreign policy and the national security of

发表于:2018-12-04 / 阅读(407) / 评论(0) 分类 名人演讲

Many of the Burgess specimens have now been assigned to living phyla just where Walcott put them in the first place. 许多布尔吉斯标本现在已经归到活着的动物的门里就是沃尔科特最初放置它们的地方。 Hallucigenia and s

发表于:2018-12-18 / 阅读(173) / 评论(0) 分类 万物简史

This is Scientific Americans 60-Second Science. Im Steve Mirsky. Got a minute? To keep your car purring, you have to change the oil. Such maintenance produces eight billion gallons of used motor oil annually. Some waste oil does get re-refined to pro

发表于:2018-12-24 / 阅读(150) / 评论(0) 分类 Scientific American(三)月

Fun Fact: Alligators Can Regrow Teeth 有趣的事实:短嘴鳄可以再长牙齿 Fun fact about alligators: they can regrow any of their eighty teeth up to fifty times. Which is pretty impressive, especially compared to us relatively dentally chal

发表于:2018-12-28 / 阅读(131) / 评论(0) 分类 初学者听力文摘精选

its time again for the A Moment of Science mailbag. A listener writes: Dear A Moment of Science, Ive always been fascinated by volcanoes. So I was wondering: How well can scientists predict when and where a volcano will erupt? Intersting question. Th

发表于:2018-12-31 / 阅读(122) / 评论(0) 分类 英语听力文摘 English Digest

This is Scientific American's 60-Second Science. I am Steve Mirsky.Got a minute? Talk about your vicious cycles. A new study finds that belly fat could be making you hungrier. Which would lead to more belly fat. The research was performed at the Univ

发表于:2019-01-08 / 阅读(166) / 评论(0) 分类 Scientific American(四)月

Algae seem harmless enough. These precursors to plants thrive throughout the world's waters. But these single-celled plants have global consequences. We can thank them for oxygen in the atmosphere, oil in the lithosphere as well as dead zones in the

发表于:2019-01-08 / 阅读(176) / 评论(0) 分类 Scientific American(十一)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(151) / 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(270) / 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(184) / 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(336) / 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(215) / 评论(0) 分类 新编大学英语阅读部分

New Yorkers Take Transit Woes in Stride NEW YORK Life regained some semblance of normalcy on Thursday for New Yorkers affected by superstorm Sandy, as public transportation started to come online and millions of people returned to work. But for those

发表于:2019-01-31 / 阅读(171) / 评论(0) 分类 英语新闻

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(148) / 评论(0) 分类 实用英语

VIENNA, May 9 (Xinhua) -- The Austrian Olympic Committee (OeOC) nominated a further 13 athletes for its 2012 London Olympic Games team on Wednesday, bringing the total to 37 athletes across 12 sporting disciplines. OeOC President Karl Stoss said he p

发表于:2019-02-02 / 阅读(236) / 评论(0) 分类 英语新闻

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(159) / 评论(0) 分类 英语作文

WASHINGTON, Aug. 4 (Xinhua) -- Researchers have found a way to turn mouse embryonic stem cells into sperm and this finding opens up new avenues for infertility research and treatment, according to astudy published Thursday in the online edition of jo

发表于:2019-02-04 / 阅读(308) / 评论(0) 分类 英语新闻

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(217) / 评论(0) 分类 阅读空间
学英语单词
A poor man's something
acetyltoluidine
agglomerate texture
apparelled
apx
Arnaud R.
assert yourself
aviaphobia, aviophibia
back in
bell-collar
belly wall
biromanticism
boardboy
calculation program
carryovers
causal chain
census-taking registration
Changjiang
chucklings
city man
clearing view disc
co-governance
Coelonema
Coleoidea
cone and plate viscosimeter
costimulates
density-governing factor
drag pinch rolls
drop shipment
edits-in
electrical excitability
embryonic layer
entrance jewel
februate
finding nemo
fixed preassigned multiple access
flyback kick
foreslowing
genus cimicifugas
genus Leitneria
golf widows
Gran Pajonal
hard surface in contact mask
hemitaxonus formosanus
hermodact
hexagonal rod
hillend
hippisley
histaminemia
ho-down
homochromatography
horner
hyperpneumatic
j. t.
karlovich
konike
lift link screw
Michailow's test
Moresby Seamount
MPCNL
multifactorial etiology
natural gas reinjection
Nephin Beg Range
NPS1
oafs
off-design
palaeozoic erathem
pancreatocholangiography
Pcbs
peccane
polycarpy
positive estuary
prediction market
quadratic potentiometer
raipe
ray-proof
redemption by drawing
reduction of capital stock
reflecting curb
resinoid group
rolled-thread screw
rom/ram terminal intelligence
roundaboutly
school dame
slow season
spread plate method
stormy wind
superclassical
synsepalum dulcificum
Talamone, G.di
tarpaulins
Tertinatine
Teteven
trench drain
turret finder
valve barrel
vestibulocochlear organ
Villavieja de Yeltes
virolymphocyte
Vostok ice core
wound-type die extrusion press
zero-point yield strength