音标:[kә'tælisis] ;
n. [化] (=catalysis)催化作用

from npr news in washingdon,i am nor ram.the federal aviation administration says a boening 777 crashed a short while ago when landing in san francisco airport.the asian airlines flight has come from soul south korea,a spokes man says it appears the

发表于:2018-12-17 / 阅读(308) / 评论(0) 分类 2013年NPR美国国家公共电台7月

This is the second in a 2-part Business English Pod series on presenting a SWOT analysis. A SWOT analysis is a tool that helps companies understand their strengths and weaknesses, while keeping in mind the opportunities and threats they face. In this

发表于:2018-12-31 / 阅读(450) / 评论(0) 分类 商务英语演讲课

角化与萎缩性皮肤病 毛囊角化症 dyskeratosis follicularis Mibelli汗孔角化症 porokeratosis of Mibelli 剥夺性角质松解症 keratolysis exfoliativa 掌跖角化症 keratosis palmari

发表于:2019-01-03 / 阅读(389) / 评论(0) 分类 医务英语

发表于:2019-01-03 / 阅读(341) / 评论(0) 分类 医务英语

发表于:2019-01-03 / 阅读(324) / 评论(0) 分类 英文语法词汇

发表于:2019-01-11 / 阅读(294) / 评论(0) 分类 考研英语

By Peter Fedynsky Moscow 22 June 2007 In 1957, the United States and Soviet Union began a series of exhibits to showcase the life and achievements of the two countries. Russia is marking the 50th anniversary of the exchanges in place of the USSR, whi

发表于:2019-01-13 / 阅读(382) / 评论(0) 分类 2007年VOA标准英语(六月)

Japan Heightens Military Alert for North Korean 'Space Launch' It is perhaps the highest state of readiness for Japan's military since World War II. The country has deployed naval ships equipped with interceptor missiles and set up missile defenses o

发表于:2019-01-13 / 阅读(309) / 评论(0) 分类 VOA标准英语2012年(四月)

Voice 1 Thank you for joining us for todays Spotlight program. Im Liz Waid. Voice 2 And Im Ryan Geertsma. Spotlight uses a special English method of broadcasting. It is easier for people to understand, no matter where in the world they live. Voice 1

发表于:2019-02-14 / 阅读(336) / 评论(0) 分类 环球英语 Spotlight
学英语单词
absorptance for solar radiation
Apeldorn
asot
automotive industry
axiom of specification
bamboulas
barium cobalt(ii) formate
basic constant
board pass
borate ester
brtt
Caradrin
cation permselective membrane
causative organisms
Chanamyn
chapman-kolmogoroy equation
Chrococcaceae
cianci
Citeromyces
Claude Elwood Shannon
close to my chest
cluster of nebulae
codeswitch
communication terminal module controller
composite cathode
contract cancellation
crab mentality
Dichlorotetrafluoropropane
dirt cakes
dispersements
drag someone through the mire
elevator system
enticement
Eurycorymbus
factored
fair value measurement
fast pulse amplifier
fin-tilting gear
fly-box
GeneScreen
geometrical series
GNU project
happended
hay machine
iagoes
internal angle to cove skirting
interrogation code
intrenched
IRGI
jey
keep somebody at a distance
Kotobi
line key
lineae visus
magazine clip
make code
mathss
mercury exploration
mirpurs
nickel(ii) fluoride
nondouble
not sleep a wink
object container
opposable
optional pause instruction
Ossetic
palimony
patch worker
performance tuning
pericarpium granati
porous graphite
posterior palatine foramen
posting of account
preferential export financing
pseudotails
pyelolymphatic backflow
Quang Phu
quott
scharffen
seedpods
shenjing shauiro
side bearing
sleek stone
soar
spatulate leaves
spiral-knife cutterhead
stationary equilibrium
Swap Bank
Tang dynasty
teammates
temperate monsoon climate
tetriss
the petition of right
threephase seven-wire system
tidal-generating force
tricolour morning glory
two-stage pump
unconfuted
unprotected thermometer
welfarists
zinc metaarsenite
Zinedine Zidane