β-内酰胺酶抑制剂

by Jason Marshall The last article about how to use math to send encrypted messages ended with a bit of a cliffhanger. The good news is that you will soon find out how the story ends. But, as I warned last time, the bad news is that that isnt going t

发表于:2018-12-07 / 阅读(101) / 评论(0) 分类 数学英语

Work Underway to Repair Quake-Damaged Washington Monument Work is under way on the Washington Monument - one of the U.S. capital's best-known tourist attractions - to repair damage from the earthquake that struck the East Coast of the United States i

发表于:2018-12-08 / 阅读(77) / 评论(0) 分类 VOA标准英语2011年(九月)

O Oat Straw extract 燕麦草提取物 Obtusifolin 决明蒽醌 Ocimum sanctum P.E 罗勒提取物 Oleandrin 欧夹竹桃甙 Oleanolic acid 齐墩果酸 Olive leaf P.E 橄榄叶提取物 Omphalin 雷丸

发表于:2019-01-03 / 阅读(101) / 评论(0) 分类 医务英语

By Tabinda Naeem Baltimore, Maryland 23 February 2007 watch Koran Exhibit report An art exhibit at the Walters Art Museum in Baltimore, in the eastern state of Maryland, features 22 editions of Islam's holiest book: the Koran. What makes these relig

发表于:2019-01-07 / 阅读(155) / 评论(0) 分类 2007年VOA标准英语(二月)

THIS IS AMERICA -April 29, 2002: Washington Monument By Jerilyn Watson VOICE ONE: The tallest structure in America’s capital city is the Washington Monument. It is named for George Washington, the f

发表于:2019-01-07 / 阅读(157) / 评论(0) 分类 This is America

vanessa carlton--Nolita fairytale I know, you know, We don't see And so our truths wait patiently I walk the streets with a song in my head We ebb and we flow so Got my toes on my pup at the foot of my bed My heart always seems to know Now take the g

发表于:2019-01-10 / 阅读(156) / 评论(0) 分类 E乐吧

AGRICULTURE REPORT - Scientists Find Compound in Smoke that Helps Seeds Grow By Mario Ritter Broadcast: Tuesday, July 20, 2004 This is Steve Ember with the VOA Special English Agriculture Report. A di

发表于:2019-01-11 / 阅读(143) / 评论(0) 分类 农业与发展

By Mariama Diallo Washington 06 November 2009 American filmmaker Bryan Single explores the rehabilitation process of former child soldiers in northern Ugandan in his new movie Children of War. The film premiered recently in Washington. Children of W

发表于:2019-01-11 / 阅读(106) / 评论(0) 分类 VOA标准英语2009年(十一月)

Numerous Encephalitis Cases Devastate North India In India every year, during the rainy monsoon season, hundreds of children die or become disabled, physically or mentally, after contracting Japanese encephalitis. Doctor K. P. Kushwaha is a senior pe

发表于:2019-01-13 / 阅读(126) / 评论(0) 分类 VOA标准英语2012年(九月)

Americans Rank Priceless Paper Documents Although the National Archives in Washington, D.C., is rapidly adjusting to the computer age, it is best known as the home of America's priceless paper documents. The magazine U.S. News World Report invited ci

发表于:2019-01-14 / 阅读(85) / 评论(0) 分类 VOA标准英语2011年(五月)

Numerous Global Security Challenges Await Next President For Obama, there have been security triumphs. We ended the war in Iraq, refocused our attention on those who actually killed us on 9/11. And as a consequence, al Qaida's core leadership has bee

发表于:2019-01-14 / 阅读(95) / 评论(0) 分类 VOA标准英语2012年(十一月)

A new documentary from National Geographic traces the dramatic story of a lioness and her cubs struggling to survive in the Okavango Delta of Botswana. Here's a look at The Last Lions. Two mothers now battle for the survival of their young: buffalo d

发表于:2019-01-14 / 阅读(278) / 评论(0) 分类 VOA标准英语2011年(二月)

BBC Learning English The Monument Callum:Hello, I'm Callum Robertson. London is famous for many of its sights and historical buildings. Buckingham Palace, Big Ben, the Tower of London, to name but a few. Today I'm visiting one, a monument, which per

发表于:2019-01-16 / 阅读(185) / 评论(0) 分类 Weekender

Delilah: Could you turn that down? Josh: What? Delilah: Could you turn your music down? Josh: Oh, sure. Is there a problem? Delilah: No, theres no problem. I was just trying to do some reading and the ear- splitting music coming from your room made i

发表于:2019-01-30 / 阅读(90) / 评论(0) 分类 地道美语播客

Franz: Ive just switched over to this program and I cant figure out how to format my document. Can you help me? Helen: I can try. Lets take a look. What do you want to do? Franz: I want to change the margins so that I can fit more on a page. I dont k

发表于:2019-01-30 / 阅读(96) / 评论(0) 分类 地道美语播客

Key Sentences(重点句子) 846.You signed the delivery note, don't you? 是你签收的那张货运通知,对吗? 847.Don't you know that's the only proof the accounts department has that the goods were delivered? 难道你不知道那是财务

发表于:2019-01-30 / 阅读(116) / 评论(0) 分类 实用英语

Joyce: We need to apply for our passports now if we want to have them in time for our trip to McQuillanland. Steven: I have a passport. Joyce: Yes, but it expired last year. You need to renew it before you can get a visa . McQuillanland requires a vi

发表于:2019-02-03 / 阅读(91) / 评论(0) 分类 地道美语播客

By Carolyn Weaver New York City 04 May 2007 The sixth annual Tribeca Film Festival, which runs through May 6, features more than 150 films from around the world, including dozens of documentaries and narrative features from the Middle East, Africa an

发表于:2019-02-07 / 阅读(138) / 评论(0) 分类 2007年VOA标准英语(五月)

Saturday marks the 69th anniversary of the issuing of the Potsdam Proclamation. The Potsdam Proclamation was issued on July 26, 1945 by the United States, Britain and China. It called for the surrender of all Japanese armed forces after Nazi Germany

发表于:2019-02-13 / 阅读(157) / 评论(0) 分类 CCTV9英语新闻2014年07月

如何准备GRE Agument写作论证?每一个argument都有它的独特性,关键是通过总结模版了解怎样论述批驳一个观点,因此论证在GRE Agument写作方面很重要。 例证是第一推荐的论证方法。首先写作文不像

发表于:2019-02-19 / 阅读(114) / 评论(0) 分类 GRE作文
学英语单词
-wheeler
acid-base imbalance
alkylsulfate
allomorphs
anti-flicker blade(s)
articulationes subtalaris
auto-da-f
Barren I.
bedehouses
bigdigits
biological sample chamber
buy on a large scale
CDSP
chronic interstital hepatits
cie 1976 l0 u0 v0 colour difference
cochieae sinuses
compilation activity memory requirement
debentured
Des Plaines
dig yourself into a hole
dispart sight
dye penetrant inspection
electro-hydraulic servomechanism
electron sharing
ethylcarbanilid
exchange words
expletement
filament-like
fling away a sprat to catch a mackerel
furring (incrustation scale)
Gateway Arch
genitovesical fissure
genus Ovibos
gets laid
graphic anode
Happy Christmases
have a good grasp of
head-off
homogeneoustopology
inductance strain gage
inequalities between means
inter-modal coupler
irming
it seems like only yesterday
jezreels
jobina
jumboising
juncal
kelyphitic(celyphitic)structure
light force fit
manganese oxyhydroxide
manufacturing milling machine
marine insurance action
market segments
mobile layer
monoenergetic cross section
multiroll mill
net buy
on-line searching
open up new horizons for
ophiernuss
optional route selection
orls
paraclete
partial section core hole
perfect neutrality
pleurostea
pouring gate
pre-investment activity
protect bit
Pulsatilla sinensis Reg.
pulse servosystem
quasi-cleavage crack
ragging roll
rebonding
robotry
Shepherd of Hermas
short bills
silicate ceramics
sntadard heat of formation
solenoid-actuated sampling valve
solid scanning width meter
solva nigricoxis
Speke's gazelle
spread mooring
square-faced
stabile
standby
stoneware shapes
sureste
suttle
Tavagnacco
territorial division
total blood volume
triple-frequency coreless furnace
tucked-in
user defined menu
valicot
Velikaya
word memory
writedir
y chromaticity diagram