音标:[ˈspesimənz] ;
n. 样品( specimen的复数形式 ); 范例; (化验的)抽样; 某种类型的人
n. an example regarded as typical of its class
n. a bit of tissue or blood or urine that is taken for diagnostic purposes

The World Health Organization is closely monitoring the swine flu outbreaks in Mexico and the US, saying they have pandemic potential. The Centers for Disease Control and Prevention says there are now 11 confirmed cases of swine flu in the US: seven

发表于:2018-12-02 / 阅读(432) / 评论(0) 分类 2009年NPR美国国家公共电台4月

He published journals and identified the remains of a massive temple dedicated to the God Amon. As Montet's work progressed, his fame and reputation spread across the world. The more his teams excavated, the more statues and obelisks of Ramesses the

发表于:2018-12-05 / 阅读(640) / 评论(0) 分类 遗失的法老城市

This is Scientific Americans 60-Second Science. Im Karen Hopkin. This will just take a minute. Nothing says summer like ants. Theyre at your picnics, on your porch, why theres one crawling up your leg right now. Well, now its your chance to turn the

发表于:2018-12-24 / 阅读(565) / 评论(0) 分类 Scientific American(七)月

Jeanne Baret was passionate about science, so passionate that in the 1760s the French women disguised herself as a man. She hide her true identity to accompany her lover, Bach Philibert Commerson on the first friendship to sail around the world. At t

发表于:2018-12-24 / 阅读(558) / 评论(0) 分类 Scientific American(一)月

This is Scientific American's 60-second Science. I'm Karen Hopkin. If you ever got picked on in the schoolyard, you might have wished for some sort of superpower, like unbeatable speed or maybe just the ability to completely disappear. Now scientists

发表于:2018-12-24 / 阅读(467) / 评论(0) 分类 Scientific American(五)月

(WA) I was really glad when your club invited me to share my coin collection. It's been my passion since I collected my first Lincoln cent in 1971; that's the current penny with Abraham Lincoln's image. Just a little history before I start in on my

发表于:2018-12-30 / 阅读(583) / 评论(0) 分类 托福听力短文

(woman) We've just seen two contemporary large birds that cannot fly: the emu and the ostrich. Over here is an interesting specimen from the past. This stuffed animal is not the giant penguin it appears to be, but an auk. This particular kind of auk

发表于:2018-12-30 / 阅读(624) / 评论(0) 分类 托福听力短文

Any school kid can tell you: nerds are not usually the most athletic specimens. But a new study suggests that young men who are physically fit tend to be more intelligent. The results appear in the Proceedings of the National Academy of Sciences. Ani

发表于:2019-01-08 / 阅读(452) / 评论(0) 分类 Scientific American(十二)月

This is Scientific Americans' 60-Second Science. Im Cynthia Graber. Thisll just take a minute. When is an ant like a piece of fruit? When its infected by a parasite. Researchers affiliated with the Smithsonian Tropical Research Institute discovered t

发表于:2019-01-08 / 阅读(429) / 评论(0) 分类 Scientific American(二)月

Sprigg submitted a paper to Nature, but it was turned down. 斯普里格给《自然》杂志写了一篇论文,但是没有被采用。 He read it instead at the next annual meeting of the Australian and New Zealand Association for the Advancement

发表于:2019-01-29 / 阅读(412) / 评论(0) 分类 万物简史

Those who feel themselves despised do well to look despising. 觉得自已被人藐视的人就该摆出藐视人的样子。 The smile on Bernard Marx's face was contemptuous. Every hair on the bear indeed! 伯纳马克思脸上的笑带着轻蔑。熊

发表于:2019-01-29 / 阅读(411) / 评论(0) 分类 美丽新世界

But New Bedford beats all Water Street and Wapping.In these last mentioned haunts you see only sailors; but in New Bedford,actual cannibals stand chatting at street corners;savages outright;many of whom yet carry on their bones unholy flesh.It makes

发表于:2019-01-29 / 阅读(443) / 评论(0) 分类 白鲸记

Science and technology 科学技术 Deep-sea exploration 深海探索 The age of Aquarius 1 宝瓶时代1 Inner space is almost as hard to explore as outer space 探太空难,察深海亦不易 Have you seen Cameron's latest? 卡梅隆的新作你看

发表于:2019-02-05 / 阅读(490) / 评论(0) 分类 经济学人科技系列

Let's face it: for most of us, job hunting is a means to an end. Very seldom do you meet anyone who claims to enjoy the process for itself (and when you do, they're generally such wildly extroverted people that they're fairly rare specimens of humani

发表于:2019-02-06 / 阅读(429) / 评论(0) 分类 阅读空间

Three O' Cat Is Still a Game/没有我世界照常运转Lillian Bueno Mccue/ What do I believe? What laws do I live by? There are so many answers - work, beauty, truth, love - and I hope I do live by them. 什么是我所信仰的?什么是我生活的

发表于:2019-02-07 / 阅读(428) / 评论(0) 分类 实用英语

I mention all this to explain why on a gray day in February I went to the Natural History Museum in London to meet a cheerful, vaguely rumpled, very likeable paleontologist named Richard Fortey. 我提这一切,是为了解释为什么我在阴沉沉

发表于:2019-02-17 / 阅读(492) / 评论(0) 分类 万物简史

1. 运用总分总的结构 Your listeners will understand your talk better if you organize what you say in a logical sequence or linear pattern. This means that you tell the listeners what you are going to talk about and then go through the points y

发表于:2019-02-18 / 阅读(417) / 评论(0) 分类 托福英语

Three O' Cat Is Still a Game/没有我世界照常运转Lillian Bueno Mccue/莉莲比诺麦丘What do I believe? What laws do I live by? There are so many answers - work, beauty, truth, love - and I hope I do live by them. 什么是我所信仰的?什

发表于:2019-02-20 / 阅读(441) / 评论(0) 分类 英语美文

Science and technology 科学技术 Forensic zoology 法医动物学 The elephant in the room 房间里的大象保护大象,刻不容缓! Dating ivory has just become easier. Poachers beware 确定象牙年代已变得更容易了,偷猎者们要

发表于:2019-02-24 / 阅读(690) / 评论(0) 分类 经济学人科技系列

Disputes and reorderings of much the same type can be found in all the other realms of the living, 同样的争吵,同样的重新分类,也发生在所有别的生物领域, so keeping an overall tally is not nearly as straightforward a matter

发表于:2019-03-17 / 阅读(781) / 评论(0) 分类 万物简史
学英语单词
Alfred Krupp
aluminium soldering
binocular indirect ophthalmoscope
boron selenide
Carrowmore, Lough
cenco
Chimani-Moos butter
combinatus
coolinf pipe
corn distillery
critical damper
cum shots
damping slipper
DSO
eluls
Festuca fascinata
FHBL
first category gassy mine
free air temperature gauge
gas utilization unit
genus Mammea
genus Megachile
get out of jail free card
gumbo-limbo
gyromagnetic resonance parameter
Haapaselkä
hereditary polymorphism
hermetically sealed switchbox
hexachloroacetone
HMRB
horrider
ice-hook
inclination of the horizontal axis
ineffability
inherent aptitudes
introsensible
kaceene
launching direction
local splice loss detection
loden
lopobutan
lozenge-shaped
Lusatians
maholic
mammary glands
marcha
Minor Metals
mixed type acid-base disturbance
moldy
monochlamys
moulding scraper
moving stay
mule armadillo
Network Query Language
noodles soup with sea food
Oriental darter
partner with
pathological nystagmus
plain die
Plain English Campaign
playback loudspeaker
Pluteus aurantiorugosus
polytetramethylene oxide
preglacial period
probit test
pulse position modulation code
recurarization
reglucosylate
remates
Resolution L.
RFIC
sale or transfer clause
salt-water cooling
saturnious
self-propelled covered lighter
semi-local
semifusinoid group
service fuel tank
setscrew
shamuses
single holographic grating
Sireno
slayers
station technical working diagram
stencil duplicator
stock-in-trade
successive forest inventory
sulfate wrapper
sylhet
tablet pattern
theory of eisler (or eisler theory)
thrust unit
thunder sheet
tidbits
twin-tee filter
undamage
under-seat
under-voltage noclose release
vena cavas
weicheng
whitterick
zehme