un. 逐次近似
[网络] 级数逼近

Researcher: Vitamins and Mineral Supplements Slow Progression of HIV 补充维生素和矿物质放缓艾滋发展 WASHINGTON Patients with HIV, the virus that causes AIDS, often develop vitamin deficiencies. A new study has found that giving these p

发表于:2019-01-03 / 阅读(145) / 评论(0) 分类 VOA常速英语2013年(十一月)

New Treatment Could Prevent, Reverse Alzheimers New research suggests that a brain protein that has changed form may be the cause of brain disorders -- including Alzheimers Disease. Researchers say they have developed a treatment that may cause the p

发表于:2019-01-12 / 阅读(172) / 评论(0) 分类 2015年VOA慢速英语(八)月

Aggressive HIV Found in Cuba 古巴发现一种侵袭性艾滋病毒 An aggressive form of HIV has been discovered in Cuba. It develops into full-blown AIDS within just three years. Researchers said the progression happens so fast that treatment with

发表于:2019-01-14 / 阅读(140) / 评论(0) 分类 VOA标准英语2015年(二月)

HEALTH REPORT - Progression of Age-Related Macular Degeneration By Nancy Steinbach Broadcast: Wednesday, January 28, 2004 This is Phoebe Zimmermann with the VOA Special English Health Report. American

发表于:2019-01-30 / 阅读(215) / 评论(0) 分类 健康与经济

今天我们要学的词是gifted。 Gifted, 是有天才、有天赋的意思。A gifted musician, 意思是天才音乐家。A gifted dancer, 意思是很有天赋的舞蹈家。Gifted children, 是指天才儿童。 美国的教育系统为智障儿

发表于:2019-02-03 / 阅读(157) / 评论(0) 分类 英语每日一词

WASHINGTON, Sept. 15 (Xinhua) -- Spending more time outdoors may reduce the risk of developing nearsightedness in children, a Chinese study said Tuesday. The study, published in the Journal of the American Medical Association, looked at about 1,800 c

发表于:2019-02-08 / 阅读(168) / 评论(0) 分类 英语新闻
学英语单词
A positive
abderahmane
abutting end
acrocephalics
acyl-synthetase
aem
ancillary line lamp
arctica islandica
B.Th.U.
ball attachment
barn hoist
blends into
bonds-outstanding method (of amortizing bond discount)
burr wool
business psychology
butter milk powder
car-park
CenturyLink
Ceratostylis himalaica
construction project
Corynebacterium ulcerogenes
cubic curves
DD (digital data)
Doan, Tg.
dysclasite
electrically connected
emd anchorage of bars
endpins
external velour prosthesis
fine arts academy
flash reducing propellant
forced induction
formalities
four-tracks
Fφrrevatn
gaultheria spirit
glyptotendipus brevilobus
gousikte
grandpaternity
house tax
incoherent reception
interstroke
Isospora
latibracteatus
lavins
left heart
liquidity limit
lupeol-3-hydroxyarachidate
lych-gates
maintenance intervals
Major-Minor Fault Presumption Rule
make cold meat of someone
manicate
margarett
membranule
mercury oleate
mimosa bush
multiplexed communication control unit
Müllenbach
nanocarpets
neck bushing
not hold with sth
one tail table
penarious
phaeosphaeria microscopica
Pidhorodtsi
pitman-cut-terbar alignment
plank board
plesiophthalmus kanoi
PODi
pseudo-academic
psilocybe ericaea
PsMIN
regenerative waste
resistance to opening of valve
Rhododendron parvifolium
ring nut
rizals
SB (selected bit)
sell by inch of candle
shearing speed
sheath miles of fiber
Sinpung-ni
Sinus prostaticus
sleids
squamulose
Strengberg
super-Poisson distribution
synchro-cyclotrom
synthetics from coal
system for noniventoriable items
tattooist
testimonium clause
theater of operations
transpressionisms
tripline
turbulent intermittency
ultimate damping
unilingually
unit of traffic
uptown warehouse
vicilin