音标:['prәutәuhi:m] ;
正铁血红素
n a complex red organic pigment containing iron and other atoms to which oxygen binds
词型变化:名词复数形式 : protohemes
【近义词】

Road to the white house [00:01.16]纷纷扰扰白宫路上 [00:02.32]It's hard enough for any of us to understand this election.Imagine trying to explain it to someone from a foreign country. [00:05.85]对这场大选,我们美国人自己理解起来

发表于:2018-11-28 / 阅读(140) / 评论(0) 分类 零距离李阳疯狂英语口语

Rho Ophiuchi dark cloud is one of the closest star-forming regions to our own solar system. Located near the constellations Scorpius and Ophiuchus, the nebula is about 407 light years away from Earth. The infrared astronomical satellite, now celebra

发表于:2018-12-05 / 阅读(153) / 评论(0) 分类 国家地理2008年

Voice 1 Welcome to Spotlight. Im Katy Blake. Voice 2 And Im Christy VanArragon. Spotlight uses a special English method of broadcasting. It is easier for people to understand - no matter where in the world they live. Voice 1 Small, shiny shells. Roun

发表于:2018-12-19 / 阅读(94) / 评论(0) 分类 环球英语 Spotlight

1. protagonist /prəˈtgənɪst/ -- the leading(first) character in a play, novel or story Brutus is the protagonist in William Shakespeare's Julius Caesar and Antony is the antagonist. 布鲁特斯在威廉莎士比亚的《尤利乌斯凯撒》中是

发表于:2018-12-30 / 阅读(96) / 评论(0) 分类 突破英文词汇

Scientists Observe Birth of Huge Galaxy Cluster For the first time ever, astronomers have observed the birth of a galaxy cluster, known as a protocluster. The event, billions of light-years away, could form one of the largest-known structures in toda

发表于:2019-01-03 / 阅读(103) / 评论(0) 分类 2018年VOA慢速英语(五)月

d-Pinoresinoldi-O-b-glucopyranoside 松脂酚双吡喃葡萄糖甙 d-Pinoresinol d-松脂素 Piperitone 胡椒酮 Plantaginin 车前甙 Platycodin A, C, D 桔梗皂甙A,C,D Podophyllotoxin 鬼臼毒

发表于:2019-01-03 / 阅读(167) / 评论(0) 分类 医务英语

AMERICAN MOSAIC -July 26, 2002: Our New Theme Music / Question About a Book on American Indians, 'Hanta Yo' / A Celebration of American Theater HOST: Welcome to AMERICAN MOSAIC — VOA’s radio magaz

发表于:2019-01-07 / 阅读(187) / 评论(0) 分类 American Mosaic

By Kurt Achin Seoul 08 May 2006

发表于:2019-01-07 / 阅读(136) / 评论(0) 分类 2006年VOA标准英语(五月)

By Lisa Schlein Geneva 20 June 2006 The UN Refugee Agency says people who flee persecution are forced to leave behind their most precious relationships and belongings. But, the UNHCR says the one thing all refugees carry with them is the hope that t

发表于:2019-01-07 / 阅读(148) / 评论(0) 分类 2006年VOA标准英语(六月)

If you're going to come up with a practical solution to any problem, Paul Polak observes, you have to first talk to the people who have the problem and listen to what they have to say. So that's what I did. Paul Polak is dedicated to developing pra

发表于:2019-01-07 / 阅读(99) / 评论(0) 分类 VOA标准英语2008年(六月)

Today we're going to learn a lesson about pronouns from the delightful, inspiring, and just a tad grammatically incorrect Olympics theme song. Does the Olympic Theme Song, I Believe, Have a Grammar Error? I believe in the power that comes From a worl

发表于:2019-01-07 / 阅读(95) / 评论(0) 分类 英语语法 Grammar Girl

By Phil Mercer Sydney 03 December 2007 Kevin Rudd has been sworn in as Australia's new Prime Minister with an agenda of action on climate change and the repeal of unpopular industrial laws. The new government has signed the Kyoto Protocol on climate

发表于:2019-01-25 / 阅读(107) / 评论(0) 分类 VOA常速英语2007年(十二月)

By Doug Levine Washington 09 April 2006 Jazz has always embraced youth. Vocalists Billie Holiday, Ella Fitzgerald and Sarah Vaughan were in their teens when they were first discovered. So were Nat

发表于:2019-02-03 / 阅读(168) / 评论(0) 分类 2006年VOA标准英语(四月)

In 2001, a team from Tel Aviv University argued that B. permians were almost identical to a strain of modern bacteria, Bacillus marismortui, found in the Dead Sea. 2001年,以色列特拉维夫大学的一个小组认为,二叠纪芽孢杆菌与一

发表于:2019-02-17 / 阅读(125) / 评论(0) 分类 万物简史

SCOTT SIMON, HOST: A Michelin-starred bistro in New York City is serving up a new dish - a burger made entirely of plants. Now, this isn't just another veggie-tofu knockoff burger. This burger looks, cooks, even bleeds like the real thing. As part of

发表于:2019-02-21 / 阅读(186) / 评论(0) 分类 2017年NPR美国国家公共电台2月

What makes the sun shine? For a lot of folks, this is the kind of thing that doesn't even require explanation: it just does. But just being a commonplace phenomenon in no way explains it. Something must cause the sun to shine. And, in fact, there is

发表于:2019-02-23 / 阅读(127) / 评论(0) 分类 英语时差8,16

The British actor Alan Rickman has died of cancer at the age of 69. In movies, he won fame for his role as Severus Snape in the Harry Potter series and before that in films such as Truly Madly Deeply, Love Actually, Die Hard, Sense and Sensibility an

发表于:2019-03-04 / 阅读(187) / 评论(0) 分类 中英双语新闻
学英语单词
Adam style
air column
air filltration
Anaphalis corymbifera
asymmetric half-controlled bridge rectifier
automatic drive control
Ban Napho
basicytoparaplastin
beater process paper
Boeing737
buildnet
call off a strike
cam design
cantonment
Cephadol
Chamartin
climatic cycles
coding check
combine scenes
complete pre-order
cost-recovery basis
Coy.
cubbins
devil's tongue
disproportionate class numbers
dividing gear
dobransky
dual humping
e&m systemwide test
ehlers-danlos
electro-and/or heat conductive adhesive
equative case
expanding inside brake
fretteth
fritted-glass filter
from A to Izzard
glaphyra subplanus
grid bias relay
Hall-effect transducer
hand telephone
hap
hard wedge
Harridslev
have sb round
height shoot
horizontal sweep circuit
information flow
inner plating
ionization point
jessica
Keng Hkam
keys to the kingdom
Kāndo
lanking
light-adapted eye
manus superextensa
margin perforated
metageria
Monument Harb.
Moulton Heights
musculus mastoidohumeralis
negative correction
Nizip
nonlinear harmonic oscillation
nonplastic
not to insure clause
nucleo-cytoplasmic
nucleussubstitution
offsite power system
Or, Mt.d'
period strip
physics of semiconductor instrument
pileous
pipe-laying trencher
plug system
poetizers
pre-eminent
profibrinolysin(plasminogen)
pulse spike amplitude
puppets (england)
receipt notification
rederived
sebastian
second-divisions
single unit floating dock
spank Hank
stall-in
statistical areas
steamboiler
storabilities
take-up bearing
tares
telescriber
transducer information center
trapezists
ultrasonic image
vacuum lightning protector
vaginitis adhaetiva
vergote
Voice of America
Walnut Springs
water-joint