羟基蒽醌类

AA: I'm Avi Arditti with Rosanne Skirble, and this week on Wordmaster -- English teacher Lida Baker joins us from Los Angeles to talk about phrasal verbs. The first word is a verb. The second word, sometimes even a third, is usually a preposition. Ph

发表于:2018-12-04 / 阅读(126) / 评论(0) 分类 词汇大师(Wordmaster)

The Ant and the Dove An ant went to the bank of a river to quench its thirst, and being carried away by the rush of the stream, was on the point of drowning. A Dove sitting on a tree overhanging the w

发表于:2018-12-05 / 阅读(170) / 评论(0) 分类 创世记

The Ant and the Grasshopper In a field one summer's day a Grasshopper was hopping about, chirping and singing to its heart's content. An Ant passed by, bearing along with great toil an ear of corn he

发表于:2018-12-05 / 阅读(197) / 评论(0) 分类 创世记

VOICE ONE: Welcome to THIS IS AMERICA in VOA Special English. I'm Steve Ember. VOICE TWO: And I'm Shirley Griffith. Today we complete the story and songs from the American musical play West Side Story. (MUSIC) VOICE ONE: Some of the greatest artists

发表于:2018-12-15 / 阅读(130) / 评论(0) 分类 VOA慢速英语2007年(九)月

California Cities Crack Down on Unlicensed Maternity Hotels Unlicensed maternity clinics that cater to women from Asia have sprung up around the United States, especially in California. Local officials are cracking down on the maternity hotels, which

发表于:2018-12-16 / 阅读(124) / 评论(0) 分类 VOA标准英语2013年(四月)

But I also believe given the success we have had in the emerging markets that appear to be right for Starbucks. 当然我也相信从目前星巴克已开店的成功来看 30 thousand stores may turn out to be too low. 3万家店可能有点太少了。

发表于:2018-12-28 / 阅读(89) / 评论(0) 分类 创业成功人士访谈录

AA: I'm Avi Arditti with Rosanne Skirble, and this week on Wordmaster -- English teacher Lida Baker joins us from Los Angeles to talk about phrasal verbs. RS: The first word is a verb. The second word, sometimes even a third, is usually a preposition

发表于:2018-12-30 / 阅读(150) / 评论(0) 分类 词汇大师(Wordmaster)

Grammar Girl here. Today, guest-writer Bonnie Trenga helps us understand modifiers that come at the beginning of a sentence. Bonnie says, As a guest-writer, I plan to talk about two kinds of troublesome modifiers that begin a sentence. Like many of y

发表于:2019-01-02 / 阅读(160) / 评论(0) 分类 英语语法 Grammar Girl

Grammar Girl here. Listen up, everyone! Todays topic is phrasal verbs, as in to listen up. And now, guest-writer Bonnie Trenga writes, a listener, Paulino from Minneapolis, would like to know what phrasal verbs are and why they are called that. Phras

发表于:2019-01-02 / 阅读(186) / 评论(0) 分类 英语语法 Grammar Girl

86 去痛片须慎用 DATE=8-16-01 TITLE=SCIENCE REPORT - OxyContin Warning BYLINE=Jerilyn Watson (Start at 1'02

发表于:2019-01-02 / 阅读(171) / 评论(0) 分类 科技之光

After you have greeted your guests, you will begin to go through the main body of your presentation. It's very useful to have some visual aids - some slides, pictures or graphs that help explain what you are saying. Sometimes they can also help to k

发表于:2019-01-07 / 阅读(418) / 评论(0) 分类 英语讨论

An ant once leaned too far over the edge of a fountain and fell in-to the water.A dove was watching from a tree nearby.She saw that the ant could not swim so she plucked off a leaf and threw it down to him.He managed to scramble onto it and in

发表于:2019-01-26 / 阅读(204) / 评论(0) 分类 趣味英语

One cold,frosty day in the middle of winter a colony of ants was busy drying out some grains of corn which had grown damp during the wet autumn weather.A grasshopper,half dead with cold and hunger,came up to one of the ants.Please give me a

发表于:2019-01-26 / 阅读(241) / 评论(0) 分类 趣味英语

Beginners. Well, it's time for a new dog. For the past year, we have been a one dog family. But, you know, our dog, Rosie, is a wildly social lady. She goes crazy any time she meets another dog, a cat, a mouse, or a bird, let alone a human. But, the

发表于:2019-01-28 / 阅读(146) / 评论(0) 分类 英语博客 A cup of English

By Peta Thornycroft Harare 21 April 2008 Zimbabwe's private hospitals are full of people who have suffered violence since results of parliamentary elections were announced early this month. Peta Thornycroft reports from Harare that the victims, mostl

发表于:2019-01-31 / 阅读(194) / 评论(0) 分类 VOA常速英语2008年(四月)

A young Spanish royal has been accused of racially abusing a student at a theme park in a row over queue jumping. 一名年轻的西班牙王室成员在主题公园插队时用种族歧视语言侮辱一名学生,因此遭到谴责。 Felipe Juan

发表于:2019-02-03 / 阅读(133) / 评论(0) 分类 阅读空间

By Melinda Smith Washington 14 May 2007 Top executives of the company that makes a powerful painkiller called Oxycontin admitted this week they lied about the drug's addictive qualities in order to boost sales. As VOA's Melinda Smith reports, worldwi

发表于:2019-02-03 / 阅读(192) / 评论(0) 分类 2007年VOA标准英语(五月)

Zahra' Langhi 曾是利比亚愤怒日运动的一员。愤怒日运动有助于推翻卡扎菲专制政府,然而利比亚之后又该何去何从呢?在利比亚的第一次大选中,人们尝试创新了候选人名单交叉式候选人名单,

发表于:2019-02-05 / 阅读(147) / 评论(0) 分类 TED公开课:世界权势大转移

An ant and a fly were contending heatedly who was of greater importance.The fly was the first to begin:Can you possibly compare with my endowments?When a sacrifice is made,I am the first to taste the entrails that belong to the Gods.I pass

发表于:2019-02-06 / 阅读(233) / 评论(0) 分类 趣味英语

Beginners. Today, Foxy had an appointment with the vet for vaccinations and a general check-up. She is about eight months old, so she needed her second set of vaccinations. The vet also needed to see if her growth was normal and healthy. I put her in

发表于:2019-02-07 / 阅读(169) / 评论(0) 分类 英语博客 A cup of English
学英语单词
'Alā'āl
-opolis
acanthocarp
alectryomancers
all and sundry
amazes
antipendium
auxiliary box
backwash ripple mark
be of a quick temper
beaudouin
Bensokain
Bighorn R.
birth-control
bottom paving
breneage
cancellers
carbinoxamine
Central American Trade Area
check gate
chromium(iii) chloride
club mosses
Cnidosporidia
colder than a witch's tit
columnae rugarum vaginae
comma movable
conceivement
conjugate groups of linear substitutions
copper clad plate
correlation-measuring instrument
cotton wool balls
d'tat
decapetalous
eddy-current flaw detection
electron optical system
end elevation
enymy
equal instalment system
euth
expectation of obedience
false pyroelectricity
fast neutron activation analysis
flight from the dollar
fluidify
get the point
Gradenigo's syndrome
hammer-forging
hardware circular buffer
head load system
heavy side
high-beam
history of developing strategy
incision and drainage of breast abscess
induction spark coil
joule effect
Kayakentskiy Rayon
kg-cal
Kitekat
launching shock
lechatelierites
LED (light-emitting diode)
lounges
magnesicm anode
matrix trace
mechanic helper
migrant shrike
mineral secondary
moindre
molecular emission spectrometry
noronha
nuclear stability curve
ocean-racing cruiser
Okitsu
oncocytic adenoma
orses
overnight loan
pgce conversion
pogoes
polyester wire enamel
postoculars
pseudographer
purchase and sale price differentials
retral
revival of Literature
sand hardness
self oscillation method
separative signal
SFW dynamo
spheroidal cast iron
stimulated-emission
sulfophosphates
sweet ball
syntheticroute
table adjustment
Te-Hua ware
Thot
time-stratigraphic classification
trees-of-life
turbulence resistance
ulmus pumilas
weighted average method
yawling