【酶学】二肽水解酶

Alex wanted to become a citizen. He signed up for a citizenship class. He went to the first class. The teacher spoke only Spanish. All the other students spoke only Spanish. Alex spoke Spanish, too. He asked the teacher, Why are you speaking Spanish?

发表于:2018-12-04 / 阅读(156) / 评论(0) 分类 英语第1级听力-English Level 1

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发表于:2018-12-04 / 阅读(200) / 评论(0) 分类 英文魔法师字源大挪移

Alex wanted to become a citizen. He signed up for a citizenship class. He went to the first class. The teacher spoke only Spanish. All the other students spoke only Spanish. Alex spoke Spanish, too. He asked the teacher, Why are you speaking Spanish?

发表于:2018-12-07 / 阅读(155) / 评论(0) 分类 超级简单英语阅读

bedizen, [bi'diz(ə)n] v 把装饰得过分华丽而俗气;穿着俗丽 【记】bed床

发表于:2018-12-30 / 阅读(178) / 评论(0) 分类 不择手段背单词

By Lisa Schlein Geneva 15 December 2007 Three research studies show that Iraqi refugees in Syria, Jordan and Lebanon are living under precarious circumstances. The UN refugee agency says the studies, which were conducted over the last few months, fin

发表于:2019-01-07 / 阅读(137) / 评论(0) 分类 VOA常速英语2007年(十二月)

This is Scientific Americans 60-Second Science, I am Cynthia Graber, this will just take a minute. The disease hepatitis C might provide a new tool in the fight against HIV AIDS ,say scientists at the Scripps Institute and in the Netherlands.The rese

发表于:2019-01-08 / 阅读(194) / 评论(0) 分类 Scientific American(四)月

By Melinda Smith Washington 25 March 2008 The World Health Organization estimates there are about 18 million people with Alzheimer's disease. And that figure is expected to double by the year 2025. Many of those Alzheimer's patients will live in deve

发表于:2019-01-12 / 阅读(126) / 评论(0) 分类 VOA标准英语2008年(三月)

By Dan Robinson Capitol Hill 23 April 2007 House and Senate negotiators have agreed on a military funding bill containing a timetable for withdrawing U.S. forces from Iraq. VOA's Dan Robinson reports, approval of a conference report for the Iraq-Afgh

发表于:2019-01-12 / 阅读(168) / 评论(0) 分类 2007年VOA标准英语(四月)

By Leta Hong Fincher Washington, DC 27 February 2007 watch Genealogy report Strom Thurmond and Al Sharpton A new genealogical study shows that a prominent African-American civil rights activist is descended from a slave owned in the mid-nineteenth c

发表于:2019-01-12 / 阅读(207) / 评论(0) 分类 2007年VOA标准英语(二月)

Faiza Elmasry | Washington, DC 21 December 2009 Photo: http://dtourmovie.com Music is a challenge and joy for Pat Spurgeon A new documentary about a man's search for a living kidney donor combines medical drama and rock music. Pat Spurgeon is the dru

发表于:2019-01-13 / 阅读(208) / 评论(0) 分类 VOA标准英语2009年(十二月)

Drug Reverses Alzheimer's in Lab Mice Researchers working with laboratory mice have stopped the progression of a condition found in the brain of Alzheimer's victims. They've even reversed cognitive decline. But whether the discovery can translate to

发表于:2019-01-14 / 阅读(139) / 评论(0) 分类 VOA标准英语2012年(二月)

BBC Learning English Weekender Shappi Korsandi Stand up Callum:Hello, I'm Callum Robertson and this is Weekender. The Edinburgh International festival is a month-long arts and cultural festival held in August in Scotland's capital city, Edinburgh. A

发表于:2019-01-16 / 阅读(440) / 评论(0) 分类 Weekender

今天我们要给大家介绍两个以

发表于:2019-01-30 / 阅读(242) / 评论(0) 分类 美国习惯用语

AGRICULTURE REPORT - Officials Suspect Exotic Newcastle Disease Killed Chickens in Brazil By Mario Ritter Broadcast: Tuesday, June 07, 2005 I'm Gwen Outen with the VOA Special English Agriculture Repo

发表于:2019-01-30 / 阅读(126) / 评论(0) 分类 农业与发展

By Efam Dovi Accra 11 October 2006 Ghana is denying a United Nations report saying that conflict diamonds from rebel-controlled areas of Ivory Coast are being smuggled into the West African nation. The report, expected to be submitted to the U.N. Se

发表于:2019-01-31 / 阅读(197) / 评论(0) 分类 2006年VOA标准英语(十月)

By Sabina Castelfranco Rome 11 April 2006 Official results in the Italian general election show center-left challenger Romano Prodi won enough seats in both houses of parliament to form a government.

发表于:2019-02-02 / 阅读(189) / 评论(0) 分类 2006年VOA标准英语(四月)

By Jessica Berman Washington 06 December 2007 Children who are overweight are at significant risk of developing heart disease as adults. That's the conclusion of two studies published in this week's New England Journal of Medicine , which predicts wh

发表于:2019-02-04 / 阅读(180) / 评论(0) 分类 VOA常速英语2007年(十二月)

今天Larry和李华要到朋友Bob家里,Bob因为要搬家,所以把他的立体音响卖给Larry。今天李华会学到两个常用语:dibs和shotgun. LL: I'm really glad that Bob gave me fi

发表于:2019-02-05 / 阅读(200) / 评论(0) 分类 美国之音《流行美语》

Themolecularapproachtodetecting peptidehormonesusingcDNAprobes shouldalsobemuchfasterthanthe (60)immunologicalmethodbecauseitcan takeyearsoftediouspurifications toisolatepeptidehormonesandthen developa

发表于:2019-02-06 / 阅读(166) / 评论(0) 分类 英文语法词汇

Regnet faller ned som tarer av et sorgfylr ar Uhelbredelige sar som i en tidlos klagesang dveler endelose savn og du som drev sa langt av sted i soken etter sjelefred For kun morket kan besta hvor alt det vakre ma forga du som bearrer verdens byrder

发表于:2019-03-02 / 阅读(215) / 评论(0) 分类 英文摇滚歌曲
学英语单词
acid making
Aegle marmelos
agricultural indicator
barra de cazones
Bell and Howell mechanism
betossed
blue rebber bleb nevus syndrome
bogus common subexpression
bress
camber stiffness coefficient
claim-splitting
con siderate
control rod drive package
cookie jars
coquinas
crush
cut cooling system
cyperaceous
dicarboxylic aminoaciduria
discretionary purchasing power
dry down
eaeg
Easter egg roll
ecliptic parallel
eiesland
enclosed-type turbine
f(o)etal gianitism
fmc (flexible manufacturing cell)
folx
gender awareness
gharibeh
good ol' boys
gornall
gradual convergence
gun-shier
Hadu Hills
hand slide rest
Hettenrodt
hyalographer
IMC (image motion compensation)
influenza A,B,and C
Insect-bite
KO ya
kristof
Lasiohelea
lillian russells
live house
lyctus sinensis
malakoplakia of genitourinary system
mercury detector
method of angle observation in all combination
nominal angle of contact
nuclear division
off record
oil sounding rod
Pahuj R.
para-gneiss
penial
plastcytosis
PLLV
pogonatum nudiusculum
polar crane supporting skirt
postoral
predisposed to
prepreferential debt
promptless
puckerbrush
quarter-wavelength line
remercie
reverse stroke
roguest
scarf theorem
scramble plan
segmented-memory model
senon
short lived noble gas isotope
smoke hole
softstem rush
solemnised
spandrels
spring mechanism
static capacity
steel stranded wire
submaximal intensity
synecologies
system blackstart generator
tape casting
tax-anticipation bond
terminal radar service area (trsa)
Tetulia
thunderflash
transmitting time
trouble in paradise
twinhulls
undialled
warm - up suit
wasting-thirst
water reed
welcomme
whistel
Woleu
xystum