音标:['ku:mә,rәun] ;
n. 香豆酮, 苯并呋喃, 氧茚
[化] 苯并呋喃; 古马隆; 香豆酮
n a colorless oily compound extracted from coal tar and used in manufacturing synthetic resins
词型变化:名词复数形式 : coumarones

A MARTINEZ, HOST: Northeastern Nigeria now where the Boko Haram terror network has killed 20,000 people, driven millions from their homes and abducted thousands. Adults and children who survived the eight-year insurgency are beginning to tell their t

发表于:2018-12-17 / 阅读(114) / 评论(0) 分类 2017年NPR美国国家公共电台8月

Explorers Hope They Are Close to Solving Amelia Earhart Mystery Earhart was a pioneering American aviator in the early 20th century. The first woman to fly solo across the Atlantic Ocean, she became a national celebrity. In July of 1937, she and navi

发表于:2019-01-13 / 阅读(124) / 评论(0) 分类 VOA标准英语2012年(六月)

American Muslims Prepare for Ramadan 美国穆斯林准备进入斋月 LOS ANGELES The Islamic holy month of Ramadan begins Thursday, June 18th in Los Angeles, and Muslims around the world are preparing the time of fasting, reflection and communal ga

发表于:2019-01-14 / 阅读(108) / 评论(0) 分类 VOA标准英语2015年(六月)

By Gilbert da Costa Abuja 04 September 2006 Health officials in the northeastern Nigerian state of Borno have confirmed the death of at least 80 people in a cholera outbreak. Nearly 2,000 people have so far being infected. The state government has d

发表于:2019-01-31 / 阅读(180) / 评论(0) 分类 2006年VOA标准英语(九月)

By VOA News 07 March 2007 Umar Yar'adua (December 2006) The presidential candidate of Nigeria's ruling party says he will return soon from Germany, where he was flown Tuesday for medical treatment. In an telephone interview Wednesday with VOA's Hausa

发表于:2019-02-01 / 阅读(134) / 评论(0) 分类 2007年VOA标准英语(三月)

By Sarah Simpson Kano 11 April 2007 Lawal Manesara, left, discuss with Ali Usman, centre, and sani Bako, right, all polio victims in a street of Lagos, Nigeria, 4 May 2005 Many polio victims in the northern Nigerian city, Kano, have turned their back

发表于:2019-02-18 / 阅读(201) / 评论(0) 分类 2007年VOA标准英语(四月)
学英语单词
1-N-nornuciferine
2-pyridinecarboxylic acid
3-beta-Hydroxycholestane
aggregate value of an invention
blix
BOTUS
bush jacket
Caliciales
circular wavefront
coagulated chain
coal-gas producer
coming with
confinement property
derivative instrument
direct tomography
dirofilariasis
discount on bonds purchased
Don Budge
enoxolone
erroneous arrest
Eukaryotae
euroissue
Eustrongylus gigas
fatiscent
fishing jig
flemingtons
forming ends
fused together
gas cutting torch nozzle
global literature
glow oscillator
h.t
have credit with sb
hydraulicking
hypophysis pars nervosa
image photocell
immunity from arrest
in less than a pig's whisper
inverted field pulses
jet control
Khaluf
landen
linear narrative
liquid pressure drive
MacArthur-Forest process
macilenta
market crosses
monetary production
mosinee
natural-rights
net movement
no-down-payment
nonbroadcast
once-dominant
oremus
our own
parking index
pegloticase
permanent resistance
phlegm-damp obstructing lung
phlorhizin
plated fabrics
plutonia
poultry manure
pressure vessel fabrication on site
production quantity
pucallpa
quenching and tempering
Rasti
Rhizoma Dioscoreae
right of set off
river trade limits
rotary valve device for exhaust valve
ruqaybah (ruqeiba)
safety decision rule
schlagsahne
Schoepfia jasminodora
Scorbacid
sea of channels and collaterals
selfing
shaping shop
silence of the lambs
simulating
soil block test
Solhannyǒng
storage program computer
supersold
surface-to-air
symmetric bilinear mapping
target assessment
telecommunications industry
thomas nelson pages
timbrels
traction circuit
transfer sump
unable to supply
unpardoned
used furniture
variability scale
xenograpsus testudinatus
xj
zinckenite zinkenite