[医] 氰化正铁血红蛋白

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(451) / 评论(0) 分类 2016年VOA慢速英语(十二)月

When Harry met Sally Scene 1 When they first meet, Harry is dating Sally's friend, Amanda. They both are leaving the University of Chicago for New York City, and Harry gives Sally a ride. Song: But yo

发表于:2018-11-28 / 阅读(228) / 评论(0) 分类 疯狂英语2003年

What Causes Altitude Sickness? Anyone who has vacationed in the higher elevations of Colorado, such as Vail and Estes Park, will tell you altitude sickness can be a real problem. Loss of appetite, nausea, vomiting, weakness, dizziness, and difficulty

发表于:2018-12-05 / 阅读(123) / 评论(0) 分类 英语听力文摘 English Digest

Anyone who has vacationed in the higher elevations of Colorado, such as Vail and Estes Park, will tell you altitude sickness can be a real problem. Loss of appetite, nausea, vomiting, weakness, dizziness, and difficulty sleeping can plague those visi

发表于:2018-12-18 / 阅读(123) / 评论(0) 分类 2018年NPR美国国家公共电台2月

A couple million years ago, mammoths migrated north from Africa to colonize Eurasia. Sometime around then a massive ice age kicked inand it was stay warm or die. So their tails and heat-shedding ears shrunk, and they grew thick coats of oily fur. But

发表于:2019-01-02 / 阅读(161) / 评论(0) 分类 60秒科学

Cocaine 可卡因 Cocculine 衡州乌药灵 Coclaurine 乌药碱 Codeine 可待因 Codonopsis P.E. 党参提取物 Colchicine 秋水仙碱 Columbin 古伦宾 Common cnidium fruit P.E 蛇床子提取物

发表于:2019-01-03 / 阅读(144) / 评论(0) 分类 医务英语

This is Scientific American's Sixty-Second Science. I'm Christopher Intagliata. Got the minute? A couple million years ago, mammoths migrated north from Africa to colonize Eurasia. Sometime around then a massive ice age kicked inand it was stay warm

发表于:2019-01-08 / 阅读(146) / 评论(0) 分类 Scientific American(五)月

This is Scientific American's 60-Second Science. I'm Sophie Bushwick. Got a minute? When it came to surviving freezing weather, mammoths relied on more than their woolly coats: even their blood was specially adapted to let them thrive in chilly clime

发表于:2019-01-08 / 阅读(162) / 评论(0) 分类 Scientific American(九)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(143) / 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(263) / 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(176) / 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(330) / 评论(0) 分类 好听的英文歌曲

The planet also began releasing oxygen, thanks to an ancient adoption of photosynthesis. A very ancestral primitive plant cell either engulfed or tried to digest or surrounded a cyanobaterium and instead of digesting it, it actually became an organ w

发表于:2019-01-23 / 阅读(143) / 评论(0) 分类 探索与发现2014年

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(206) / 评论(0) 分类 新编大学英语阅读部分

 Superglue 强力胶 Male: Help!Help! Female:What's wrong? M: I was fixing my coffee cup with superglue .And I must have got some on my fingers but I scratch my forhead.And now my hand is stuck to my head. F: Superglue ? Cool! What makes supergl

发表于:2019-01-26 / 阅读(119) / 评论(0) 分类 英语听力文摘 English Digest

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(140) / 评论(0) 分类 实用英语

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(156) / 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(211) / 评论(0) 分类 阅读空间

Amoment of crime scene investigation Ya?l: Hi Don, what are you... Don: Shh! I'm watching my favorite TV police drama: Crime Lab! Y: Oh, cool. Hey, what's that guy doing? D: Y'know Ya?l, you do have the right to remain silent... Y: Why is he spraying

发表于:2019-02-15 / 阅读(130) / 评论(0) 分类 英语时差8,16

The vampire is the stuff of the great horror stories. However, a recent textbook by geneticist John Jenkins suggests that Bram Stokers legend of the vampire, Dracula, may have had its basis in a very real disease that prevents some people from gettin

发表于:2019-03-06 / 阅读(241) / 评论(0) 分类 英语时差8,16
学英语单词
a reeb
acrognosis
adrenocorticotropin
aphthona
arch-pall
arrowes
basetone loudspeaker
blue-nose
boongaries
brumby brumbie
caterpiliar
Cauchy's kernel
ccf
charge permutation reaction
charge-stroage transistor
compensation of gradient
contemporary species
core journal
crecs
cut it fat
depreciation reserve account
distrain
dollimore
dris
drive requirement
dry rale sound
dry-and-wet-bulb hydrometer
dual-pressure steam turbine
early experience in animal
earthlike
egyptian cottons
electric hot water boiler
exhibent
exostotic
extrajudicial oath
factor of proportionality
fully-integrated
Gentiana microdonta
glissade dessous
global security
hamon box
have an ache in
hierarchical distributed multiprocessor technology
holding bar
hydraulic gripper feed
hydroxyphenamate
idiography
Ilin-Yuryakh
interliner passenger
iustice
Jackson turbidity unit
lixiviate
lochia
love-ins
luvic arenosols
macrosporangiophore
Mafikeng
measurement error component
meen
memorandum on instructional methods
metallic conduit
meteorological observation
mlada
multi-group
netherworlds
non-symmetric adjustment
octane
orken
people without fixed duties
physical distancemeter
planetary ball mill
pombal
positive altitude
potchefstrooms
Primula sherriffiae
private ledger account
propene
put in competition with
pyelosinus
random noise level
right-to-life
scattering
self-correctings
sequence reactance
Sharawaggi
Siebert furnace
solite
steam-flow
subalternant
subordinate court
surface smoothing
system optimize
Tambuyukon, Gunung
thuidium plumulosum
to inseminate
top people
twin-turbofan aircraft
unsteady rate
vagal autonomic system
width of jaws
wish i knew
yarn diameter