原盾叶皂甙

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(158) / 评论(0) 分类 环球英语 Spotlight

As you've probably experienced firsthand, some mosquito species have a real taste for warm, human blood. So much so that if you raise them on it the lab, they'll accept no substitute. Fortunately, I don't get major reactions at all. Brad Main is a mo

发表于:2018-12-24 / 阅读(179) / 评论(0) 分类 2016年Scientific American(九)月

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(157) / 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(163) / 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(248) / 评论(0) 分类 医务英语

By Nick Wadhams Nairobi 19 July 2007 Kenya's attorney general acknowledged Thursday that his country has seen what he called an astronomical proliferation of light weapons such as assault rifles and pistols. As Nick Wadhams reports from Nairobi, the

发表于:2019-01-12 / 阅读(220) / 评论(0) 分类 2007年VOA标准英语(七月)

Pope Benedict XVI waves to faithful during his weekly general audience at St. Peter's square at The Vatican, 17 Mar 2010 Pope Benedict has written to Catholics in Ireland to apologize for the sexual abuses carried out by the clergy in that country ov

发表于:2019-01-13 / 阅读(185) / 评论(0) 分类 VOA标准英语2010年(三月)

The first man to set foot on the moon has hailed the space race of the 1950s and '60s as an example of peaceful competition between rival superpowers. Legendary U.S. astronaut Neil Armstrong spoke at Washington's Air and Space Museum Sunday on the e

发表于:2019-01-14 / 阅读(204) / 评论(0) 分类 VOA标准英语2009年(七月)

By David McAlary Washington 02 February 2006 U.S. government meteorological experts say the global climate condition known as 'La Nina' has returned, heralding a realignment of weather patterns around

发表于:2019-01-18 / 阅读(226) / 评论(0) 分类 2006年VOA标准英语(二月)

ROME, Dec. 3 (Xinhua) -- Italy lacks the necessary energy(能量,活力) and strength for an economic revival while unemployment and poverty are on the rise, warned a report issued Friday. The 44th edition of the Censis think tank social survey, the

发表于:2019-01-19 / 阅读(200) / 评论(0) 分类 英语新闻

In Africa's battle against malaria, two low-tech tacticsinsecticides and bed netshave done a decent job killing off mosquitoes. But it's mainly one species that's been affected. That's a species called Anopheles gambiae, sometimes called the African

发表于:2019-01-20 / 阅读(183) / 评论(0) 分类 2016年Scientific American(八)月

Tekapo is a special place. This small town has a big observatory at Mount John, 1000m above the town. It has six telescopes including New Zealands biggest telescope with a diameter of 1.8m, built with Japanese money. The observatory is operated by th

发表于:2019-01-27 / 阅读(183) / 评论(0) 分类 新西兰英语

By Vidushi Sinha Washington, DC 10 February 2006 watch Spinning Wheel report Spinning wheel The old-fashioned spinning wheel is making a comeback, not just to make yarn -- but to relieve stress. The h

发表于:2019-01-30 / 阅读(248) / 评论(0) 分类 2006年VOA标准英语(二月)

In April 1970, Apollo 13 was scheduled to land on the moon in NASA's bid to further explore the lunar surface. Instead, an in-flight explosion rocked the spacecraft, preventing astronauts Jim Lovell, Jack Swigert, and Fred Haise from landing on the m

发表于:2019-02-06 / 阅读(184) / 评论(0) 分类 VOA标准英语2010年(四)月

ROME, Feb. 21 (Xinhua) -- Napoli proved unstoppable at home in the Champions League when they beat Chelsea 3-1 at home in the first leg of the final 16 tie on Tuesday. Chelsea took the lead in the 27th minute through Juan Mata, and then Napoli respon

发表于:2019-02-07 / 阅读(184) / 评论(0) 分类 英语新闻

U.S. authorities have charged a Pakistani-born U.S. citizen with terrorism related charges in connection to the failed Times Square bombing. Thirty-year-old Faisal Shahzad was charged Tuesday in a five-count complaint, one day after he was arrested w

发表于:2019-02-09 / 阅读(195) / 评论(0) 分类 VOA标准英语2010年(五)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(187) / 评论(0) 分类 万物简史

You might not think there would be that many people in the world prepared to devote lifetimes to the study of something so inescapably low key, 你或许会认为,世界上不会有多少人愿意花毕生的心血来研究那个不起眼儿的东西

发表于:2019-02-21 / 阅读(212) / 评论(0) 分类 万物简史

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(205) / 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(293) / 评论(0) 分类 中英双语新闻
学英语单词
abnormal error
air-speed indicator
all-optical gate
ammonian
ammoniogen
angiogratoma
associated with
avail yourself of sth
beat the devil out of sb
biological sonar
body-guard
brent goose
Broomley
chained program access method
closed formation flying (ff)
Coca-colonization
cocain delirium
compact disc-rewritable
counterimmunoelectrophoresis-colorimetric
crocodile truck
crystal sand
cucujid beetle
cyberindustry
deflasking
degeneracy factor
diamond coring
direction discriminator
disadsorption
Dysrhaphy
expense for up-keep
flat vaulted ceiling
flexible linkage
floral whorl
Flæsheim
fuel return manifold
gas purchase
gidget
glacialiss
h network
hardening fixer
hereditary batten disease
immune carriers
interface distortion
ITLC
katella
kidsmen
lawder
line facility
lymph node of epiploic foramen
Magnolia coco
mansplained
marketing opportunity
meshable
Moringa arabica
moschetto
nobu
non-null hypothesis
Ollier disease
operating charge
p-brane
patternmaking
perversion of truth
phenomene
physical foaming agent
physical theory
playing God
plunger type relay
port plan
portis
porzelanit (wernerite)
predessert
predilecting
progressive bonding
quasi-personal
quenching moment
quinine bisalicylosalicy late
reactivity index
rear two pin long narrow type die set
ring face
rubber solution strainer
run time diagnosis
salic-
security force
semicircular line
sex control technique
shearlings
Shijak
Shimeah
slate-grey
socioemotional development
sound designer ii
space launch vehicle
special rescue ships
splittings
stone ballast
table service
tire ... out
tornwalditis
under-eatings
underapplies
vol of outflow
zero count