(operon 的复数) n.[生]操纵子
plural of operon
n a segment of DNA containing adjacent genes including structural genes and an operator gene and a regulatory gene

This is the first in a two-part Business English Pod series about adding impact to your presentations. Weve all sat through boring presentations before. And weve all worried during our own presentations that others might be feeling that way. So what

发表于:2018-12-05 / 阅读(453) / 评论(0) 分类 商务英语演讲课

Ross Dunn Witnesses say hundreds of Israeli soldiers have been deployed in southern Gaza. The forces, which include armored, engineering and infantry units, backed by tanks, bulldozers and helicopter

发表于:2018-12-08 / 阅读(312) / 评论(0) 分类 VOA2004(上)--巴以冲突

now, operah one-on-one on a revealing interview with reality star kim kardashian , about really what's wrong with her broken marriage to a basketball player,and what about the superstar singer she is currently dating,maybe John has a first~,good morn

发表于:2018-12-11 / 阅读(270) / 评论(0) 分类 访谈录2012年

A: May I help you? B: What time will the library be closing? A: It closes at six. B: Does it always close at six? A: No, not every day. B: Will the library be open on Saturday? A: Absolutely. B: What are your hours on Saturday? A: Saturdays hours are

发表于:2018-12-16 / 阅读(340) / 评论(0) 分类 英语情景对话-图书馆

Amber: Hello, I'm Amber and you're listening to bbclearningenglish.com. In Entertainment today, we step into the dynamic world of contemporary dance. We hear parts of an interview with two of the world's leading dancers: Sylvie Guillem and Akram Kha

发表于:2018-12-19 / 阅读(485) / 评论(0) 分类 Entertainment

In todays Christmas Classic, well be looking at closing down and summarizing your presentation. A strong conclusion to your presentation helps leave your audience with a good impression and gives them a clear message about what action to you like the

发表于:2018-12-31 / 阅读(501) / 评论(0) 分类 商务英语演讲课

Grammar Girl here. Today's topic is how to use colons. Sallie in Detroit Lakes, Minnesota, and a listener named Mike wondered when to use a colon and when to capitalize the first word after a colon. One of my favorite grammar books, titled* Punctuate

发表于:2019-01-02 / 阅读(372) / 评论(0) 分类 英语语法 Grammar Girl

Grammar Girl here. Today's topic is dashes. Last week when I was speaking at the Field's End Writers Conference on Bainbridge Island, someone in the audience asked about dashes. When should she use a dash and how is it different from a colon? Dashes

发表于:2019-01-02 / 阅读(350) / 评论(0) 分类 英语语法 Grammar Girl

Clip 1 Ladies and gentlemen , thank you very much for coming along here today . I hope my presentation(情报) isnt going to take too long and that you will find it interesting. The purpose of todays presentation is to discuss how we can improve int

发表于:2019-01-07 / 阅读(464) / 评论(0) 分类 商务英语

Antony of the band Antony and the Johnsons cut his teeth in New York's after hours cabarets and backing up rocker Lou Reed.His current group has a new album called I Am a Bird Now.Music critic Jerry Dannemiller has a review. OK,right up front.The fir

发表于:2019-01-08 / 阅读(556) / 评论(0) 分类 2005年NPR美国国家公共电台

By Robert Berger Jerusalem 01 March 2008 At least 46 Palestinians have been killed in escalating Israeli raids in the Gaza Strip. Palestinian hospital officials say a number of the Palestinians killed were civilians. The others are believed to be Pal

发表于:2019-01-12 / 阅读(285) / 评论(0) 分类 VOA标准英语2008年(三月)

By Brian Wagner Miami 10 January 2008 Colombia's government has approved a new attempt by Venezuela to pick up two hostages held by leftist rebels in the Colombian jungle. VOA's Brian Wagner reports Venezuela's president says he has received instruct

发表于:2019-01-13 / 阅读(319) / 评论(0) 分类 VOA标准英语2008年(一月)

NATO warships have launched an anti-piracy operation off the coast of Somalia by escorting one ship to port with plans for a similar operation on Tuesday. Lisa Bryant has more from Paris. The NATO operation aims to help calm the situation off Somali

发表于:2019-01-13 / 阅读(331) / 评论(0) 分类 VOA标准英语2008年(十月)

By Heda Bayron Hong Kong 28 September 2009 The Philippines has appealed for international assistance following the worst flooding in more than 40 years. At least 140 people have been killed as a result of the heavy rains and, as the death toll from

发表于:2019-01-13 / 阅读(292) / 评论(0) 分类 VOA标准英语2009年(九月)

A Somali man accused of trying to kill a Danish cartoonist who caricatured the Prophet Muhammad has gone on trial Wednesday in Denmark. Danish intelligence police say they believe he is close to the Islamist movement al-Shabaab. The prosecutor in the

发表于:2019-01-14 / 阅读(330) / 评论(0) 分类 VOA标准英语2011年(一月)

By Deborah Tate Capitol Hill 09 March 2006 A company based in the United Arab Emirates, Dubai Ports World, says it is transferring management operations at six U.S. ports to a U.S. entity. The surpris

发表于:2019-02-05 / 阅读(401) / 评论(0) 分类 2006年VOA标准英语(三月)

Construction of new economic zone starts in W China YINCHUAN, Oct. 20 (Xinhua) -- The construction of a new economic pilot zone, the first of its kind in China's inland areas, has started in the country's northwestern Ningxia Hui Autonomous Region. A

发表于:2019-02-11 / 阅读(394) / 评论(0) 分类 英语新闻

unit 410 打越洋电话至北京 dialogue 英语情景对话 A:Opercrtor, I want to make a collect overseas phone call to Beijing. A:接线生,我要打一通对方付款的越洋电话到北京。 B:Whom would you like to talk to? B:您要找哪?

发表于:2019-02-15 / 阅读(390) / 评论(0) 分类 高频英语口语对话

BEIJING, Aug. 26 (Xinhua) -- China Construction Bank, the country's second largest state-owned bank, said its net profit rose 14.57 percent to 106.49 billion yuan (about 16.9 billion U.S. dollars) in the first half of this year. The bank's business r

发表于:2019-02-18 / 阅读(368) / 评论(0) 分类 英语新闻

一个英语单词可分为三部分:前缀(prefix)词根(root)后缀(suffix)。位于词根前面的部分就是前缀。前缀,可以改变单词的意思。 ation (用于名词)动作(造成的状态或结果) accommodation n.招

发表于:2019-02-21 / 阅读(339) / 评论(0) 分类 英语PK台
学英语单词
'Ulaymāt, Jab.al
abbreviated address
adiactinic
amidinelyase
anisos
axial-flow blow
bacopas
bankassurance
basic deviation
be eliminated
broad-spectrum
C instruments
cappelenite
cedilanid-d
changgo-do (oejanggo-do)
charge exchange model
civilized behavior
closed cell expanded rubber
cock neck hackle bronze
colo(u)r fastness grading
cost-comparison
CreateInstall
criduchat syndrome
Cuprija
Cymbidium serratum
dipions
djellabahs
dragonwings
dust seal
dutymen
engine gum
engrand
examination of disbursement vouchers
eye sensitivity curve
field-marshals
fish shackle
flat as a frying pan
fossae cranii posterior
Frescobaldi, Girolamo
functional groups
fungicole
gangman
helmet-type diving apparatus
hippodameias
hit on a solution
honour point
hot bed
hvps (high-voltage power supply)
ice regime
inceptors
isoflavonoids
isogametangic
Kutukovo
lantern chuck
law of monophyletic evolution
lazyjacks
locknotes
logofascinated
Loschmidt constant
lutromone
majoron
managership
Maree, Loch
memester
Merasulfozyl
microcomputer memory concept
most effective filter
mugams
Mycoplasma gallinarum
New Year's day
Norman Jewison
opalka
opening quotation
overthrust
palerm
partes zygomatica
petal nebula
plastic optical fibre
port engine
read out memory
rental date
ring standard gauge
romantic realisms
salami slice
sanat
Saussurea porphyroleuca
shoulder-strap
smartassery
sphere sectional assembling
square center
srhc (shutdown reactor head cooling)
standings
synergistic
thank you ever so much
transducins
transparent film bag
trochocone
two-section
Uncollected funds
when-issued share
winch worm shaft bushing
XFA