人工肠液

Rob: Hello and welcome to 6 Minute English from BBC Learning English. I'm Rob and with me is Finn. Finn: Rob: Finn? Are you ok? Finn: (breathes out) Ahhh 49 seconds I was just holding my breath! Rob: A new hobby of yours, Finn? Finn: Well today we're

发表于:2018-11-29 / 阅读(259) / 评论(0) 分类 六分钟英语

The situation is still very fluid. There remains degree of uncertainty and there are still regime elements who pose a threat. But this much is clear: The Gaddafi regime is coming to an end, and the future of Libya is in the hands of its people. In ju

发表于:2018-12-02 / 阅读(137) / 评论(0) 分类 CNN2011年(八)月

Do you need eight glasses of water everyday? Tring to do the right thing by drinking eight full glasses of water everyday may do little more than making a person run to the bathroom, a researcher said. Newspaper articles, health and beauty magazines

发表于:2018-12-05 / 阅读(162) / 评论(0) 分类 有声杂志阅读

Your nose may be the first place you think of as a source of mucus. But mucus is a major player in your gut, too. There's antimicrobial peptides and proteins that are present in there. Bacteria live in there and forage on the carbohydrates. And it's

发表于:2018-12-24 / 阅读(131) / 评论(0) 分类 2016年Scientific American(十一)月

兵势篇 NO.4: 纷纷纭纭,斗乱而不可乱; 浑浑沌沌,形圆而不可败。 乱生于治,怯生于勇,弱生于强。 治乱,数也;勇怯,势也;强弱,形也。 这句啥意思: 湍旗纷纷,人马纭纭,双方混战

发表于:2018-12-29 / 阅读(159) / 评论(0) 分类 孙子兵法

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. In theory, scientists could learn a lot about our health by testing tiny amounts of bodily fluidsa drop of blood, a tear, a bead of sweat. But somethin

发表于:2019-01-08 / 阅读(176) / 评论(0) 分类 Scientific American(十一)月

Simulated Disasters Provide Earthquake Data The Rock Mechanics Laboratory is one of several specialized labs at Lamont-Dohertys Division of Seismology, Geology and Tectonophysics, now studying the subterranean dynamics of earthquakes. Research profes

发表于:2019-01-13 / 阅读(180) / 评论(0) 分类 VOA标准英语2012年(一月)

ROBERT SIEGEL, HOST: NASA hopes to send people to Mars sometime in the 2030s. President Trump would like to see that happen even sooner. And at a remote site in the Utah desert, would-be astronauts are already simulating what it would be like to live

发表于:2019-01-16 / 阅读(166) / 评论(0) 分类 2017年NPR美国国家公共电台7月

By Claudia Blume Hong Kong 17 May 2006 The Pacific Tsunami Warning System has been tested for the first time with a two-phase, region-wide drill, sending alerts about imaginary earthquakes and tsunami

发表于:2019-01-19 / 阅读(207) / 评论(0) 分类 2006年VOA标准英语(五月)

CHARLIE: Beer! Where is the beer! HUGH: Don't be such a beer hog, Charlie. Why don't we play some frisbee first? CHARLIE: Frisbee? Without beer? Are you kidding? I won't be able to catch it. I won't b

发表于:2019-01-22 / 阅读(233) / 评论(0) 分类 娱乐英语

Sleep. It's something we spend about a third of our lives doing, but do any of us really understand what it's all about? Two thousand years ago, Galen, one of the most prominent medical researchers of the ancient world, proposed that while we're awak

发表于:2019-01-24 / 阅读(227) / 评论(0) 分类 英语语言学习

22 防止口蹄疫的传播 DATE=3-17-01 TITLE=IN THE NEWS #472 - Foot-and-Mouth (1)Disease BYLINE=George Grow (Start at 1'08

发表于:2019-01-30 / 阅读(211) / 评论(0) 分类 科技之光

By Phil Mercer Sydney 25 February 2008 A simulated refugee camp has been set up in Melbourne to show Australians the sort of hardship suffered by millions of people around the world. Refugee Realities is the work of the charity Oxfam. The camp is set

发表于:2019-01-31 / 阅读(137) / 评论(0) 分类 VOA常速英语2008年(二月)

flow vi.流,流动 flower n.花,花卉;开花 flu n.流行性感冒 fluctuate vi.波动 vt.使波动 fluent a.流利的,流畅的 fluid n.流体,液体 flush n.兴奋,脸红;发烧 flute

发表于:2019-02-01 / 阅读(414) / 评论(0) 分类 考研英语

By Tabinda Naeem Washington 17 April 2007 Visitors to The Smithsonian Museum's Arthur M. Sackler Gallery in Washington, D.C. are experiencing the beauty and splendor of Asian gardens without taking a step outside. The exhibit, called East of Eden: Ga

发表于:2019-02-02 / 阅读(209) / 评论(0) 分类 2007年VOA标准英语(四月)

雅思写作开头段常用思路 1.介绍当前背景、现象、形势+说出自己的观点 例1: As the competition for college education becomes severe, more and more parents begin to pay special attention to their childrens early education.

发表于:2019-02-12 / 阅读(194) / 评论(0) 分类 雅思英语

He can get a sense of the sweep of the whole company, the iPhone and iPad, the iMac and laptop and everything we're considering. 他能够把握公司的全局,包括iPhone、iPad、iMac和笔记本电脑,以及其他我们正在考虑的产品。

发表于:2019-02-15 / 阅读(116) / 评论(0) 分类 乔布斯传

后角 clearance angle 龙门刨削 planing 主轴 spindle 主轴箱 headstock 卡盘 chuck 加工中心 machining center 车刀 lathe tool 车床 lathe 钻削 镗削 bore 车削 turning 磨床 grinder 基准 benchmark 钳工 locksmith 锻 forge 压模

发表于:2019-02-18 / 阅读(192) / 评论(0) 分类 实用英语

Can it really be sixty-two years ago that I first saw you? 我们初次相遇,难道真的是六十二年前吗? It is truly a lifetime, I know. But as I gaze into your eyes now, it seems like only yesterday that I first saw you, in that small ca

发表于:2019-02-19 / 阅读(155) / 评论(0) 分类 英语美文

My friend Sarah is a vet. I have asked her to tell us about a typical days work. I am a veterinary surgeon and work for a charity called PDSA, which stands for the Peoples Dispensary for Sick Animals. We treat pets belonging to people who are on stat

发表于:2019-03-01 / 阅读(197) / 评论(0) 分类 听播客学英语
学英语单词
ableist
alveolar-capillary barrier
anisocoria
astart
at one stroke of the pen
autopuley glider launching
axis of leveling bubble
badly-wounded
bioingredient
blindia japonica
bolas
Bywell
call sign (cs)
canonical free energy
capital of Utah
carcinoma in situ of vagina
clintonite
clip somebody's wings
collect a debt
commeal
conditories
demisemi
digit function
Dinochloa
dismand
divulsus
emission control device
epiornithic
euglena mutabilis
fire-bombers
fission action
flipflopped
general crystallography
genus ariuss
get in on the ground floor
grease groove
hack tool
hardware intensive fault tolerance
heterocarpus hayashi
hydraulic quantity
hydroaromatic series
in clearing book
incapacitating illness or injury
infrared matte process
insulectrics
JNI
Kalpakkam
less-eligibilities
liminoid
low pressure gas knock-out drum
lowering speed of basket
member bank call report
midair
miscomes
Mivacron
modulation duration time
moving-iron ammeter
multiwavelength sun-photometer
ndereba
near feasible point
nominal blade setting
nosotaxy
open radiating circuit
otiobiosis
oxyacetylene torch
phallotoxins
photo composing machine
Phrynosoma
piezoreflectance
polymorphnuclear leucocyte
radiation selling
rare earth drier
reliability sequential chart
repairman problem
reverse rod
rift mountain
secretion type
sedimentation time
show palette
single-spool engine
sit loose
small batch
south american staghorns
sownder
spokes
spring anti squeak
struma postbranchialis
suchards
torpedo lieutenant
ultrasonic CW spectrometer
unbusted
unmarshalling
unreclaimable waste
Upper River Div.
upscatter
vocabulary entry
vocational retraining
wave one's wand
wilgen
xse
yellowcakes
zero-phase lines