音标:[kә'θepsin] ;
组织蛋白酶

DAVID GREENE, HOST: We are mourning the loss of a human rights champion. Ahmed Kathrada died today in Johannesburg, South Africa. He was 87 years old. Kathrada was a veteran of the anti-apartheid movement, and he spent decades in jail with Nelson Man

发表于:2018-12-02 / 阅读(125) / 评论(0) 分类 2017年NPR美国国家公共电台3月

SHIRLEY GRIFFITH: This is SCIENCE IN THE NEWS in VOA Special English. I'm Shirley Griffith. BOB DOUGHTY: And I'm Bob Doughty. This week, we will examine the brain disorder known as epilepsy. Many people do not understand epilepsy. Medical experts are

发表于:2018-12-16 / 阅读(131) / 评论(0) 分类 2010年VOA慢速英语(十)月

AA: I'm Avi Arditti with Rosanne Skirble, and this week on WORDMASTER: a big week for talkers and listeners. RS: This Thursday, millions of Americans will gather with family and friends to celebrate Thanksgiving -- or Turkey Day, as many call it. Tha

发表于:2018-12-30 / 阅读(98) / 评论(0) 分类 词汇大师(Wordmaster)

Today's topics: Nicknames and shortened names, 'To kill two birds with one stone' and 'The early bird gets the worm,' May vs. Can, Using do + verb, Suite, and to wash down. Words: Sponsor Nick, Nicky Mike, Mikey Kathy, Kath Dave Alex Frank, Frankie L

发表于:2019-01-22 / 阅读(92) / 评论(0) 分类 美语听力 English Cafe

A widower who lost his wife to Alzheimer's 72 years after their first kiss has touched hearts across Britain by penning a moving poem in her memory. Bob Lowe, 93, described the deep loneliness he has felt since his wife Kath died three years ago in h

发表于:2019-02-05 / 阅读(106) / 评论(0) 分类 英语新闻

Australians really do have a unique brand of humour. We enjoy self-deprecating digs, send-ups of our own stereotypes and anything that doesnt take itself too seriously. It therefore comes as no surprise that there are many cult favourite television s

发表于:2019-02-07 / 阅读(161) / 评论(0) 分类 阅读空间

AA: I'm Avi Arditti with Rosanne Skirble, and this week on WORDMASTER: a big week for talkers and listeners. RS: This Thursday, millions of Americans will gather with family and friends to celebrate Thanksgiving -- or Turkey Day, as many call it. Tha

发表于:2019-02-14 / 阅读(106) / 评论(0) 分类 英语单词大师-Word Master
学英语单词
a sum of money
a walking skeleton
acropora donei
additive blend
almoner
amitate
aphidilutein
Asia Clear
atmospheric oxidant
auditory cortexes
barbed words
belo tsiribihina
Bieniec
bistratified
bow shuttle
branching alpha
CCET
celestial equator
central index
central tube frame
chancriform gumma
cincinnatians
clearing target
cold model experiment
conjectural index of growth
crew-neck sweater
current information selection
day-peep
delortia
dew point recorder
double blind technique
enterocoel
episcopalidine
external compensated operational amplifier
facies malaris
fanegada
forsstroemia trichsmitria (hedw.) linbd.
genetic apogamy
golden algaes
haulage equipment
heavy benzole
highback
horizontal duplex drill
ignition and lighting magneto
imperative moods
incinerator boiler
indirect radiator
indulgency pattern
inertia reel
intensity of field
interventionary operation
jenkolic acid
jinrickshaw
kill the bill
Koudekerk
labor and capital
Lausitz
link motion
margin-perforated card
mean velocity in section
medullated nerve fibre
microwave circuit techniques
Moignelée
multisegament magnetron
nonventilated
North Canadian R.
ophiolitic eclogite
paeonia suffruticosa andr. var. papaveracea bailey
peeping room
platform beach
position-sensing unit
potsdam gravity system
printing position
pure alcohol
required take-off distance
sea-pine
sequence number
sessler
several
side piece
sigma particle
sports bar
spriralism
stake on a cast
sulfur bottom
sweettalking
synchronizing wheel
tchekhov
teloisosomic
theory of justice
theraplay
thermal lubricator
tiros (television and infared observation satellite)
transcytose
Trollius asiaticus
Turkey Day
two's complement
undetectible
vapour heat exchanger
WAVES, Waves
White Continent
Winooski River