un. 电阻稳定振荡器
[网络] 电阻不变振荡器;电阻稳频振荡器

841 、 埋头铆钉 countersinkheadrivet 842 、 埋头锥孔 countersink 843 、 埋头螺栓 countersinkheadbolt 844 、 埋头螺丝 countersinkheadscrew 845 、 埋头钻 countersinkdrill 846 、

发表于:2018-11-29 / 阅读(200) / 评论(0) 分类 英文名句短语

World Action Needed to Prevent Widespread Antibiotic Resistance Since the discovery of penicillin in 1928, we have used antibiotics against a host of infections. But now, doctors are finding that more and more bacteria are resistant to even the stron

发表于:2018-12-08 / 阅读(100) / 评论(0) 分类 VOA标准英语2015年(十二月)

Keeping Time With Quartz Most people know that wrist watches commonly contain quartz. In fact, if you wear a watch, chances are its a quartz watch, since most watches is made today use quartz. But, you may not know what quartz has to do with keeping

发表于:2018-12-31 / 阅读(105) / 评论(0) 分类 英语听力文摘 English Digest

The spokesman for the Lord's Resistance Army says Congolese forces and U.N. peacekeepers in Congo Kinshasa are preparing to move against the rebel group, which has yet to sign a peace deal to end a 20-year reign-of-terror in the region. VOA Correspo

发表于:2019-01-06 / 阅读(150) / 评论(0) 分类 VOA标准英语2008年(九月)

This is Scientific American's 60-Second Science, I'm Christie Nicholson. Got a minute? During the last ice age our problem was too little carbon. Unlike today where too much carbon is causing global warming. Past glacial ages occurred partly because

发表于:2019-01-08 / 阅读(119) / 评论(0) 分类 Scientific American(七)月

The Senate has confirmed the nomination of Sonia Sotomayor to the US Supreme Court. NPR's Audie Cornish reports. Minnesota Senator Al Franken read the tallies at the end of the confirmation vote. On this vote, the yeas are 68 and the nays are 31. Th

发表于:2019-01-08 / 阅读(93) / 评论(0) 分类 2009年NPR美国国家公共电台8月

Antibiotics Breed Drug Resistance in Pigs Pigs given low doses of antibiotics had more E. coli in their guts, and that bacteria showed an increased resistance to antibiotics, according to new research. The study confirms the routine practice of feedi

发表于:2019-01-13 / 阅读(96) / 评论(0) 分类 VOA标准英语2012年(一月)

Vidushi Sinha | Washington, DC 18 May 2010 The World Health Organization calls antibiotic resistance one of the three greatest threats to human health. Experts fear antibiotic resistance puts humans in danger of becoming nearly defenseless against so

发表于:2019-01-13 / 阅读(139) / 评论(0) 分类 VOA标准英语2010年(五)月

Kenya: Misuse of Antibiotics Leading to Resistance by Immune System NAIROBI In Kenya, the rise of drug resistant bacteria could reverse the gains made by medical science over diseases that were once treatable. Kenyans could be at risk of fatalities a

发表于:2019-01-14 / 阅读(118) / 评论(0) 分类 VOA标准英语2015年(一月)

As Assault On Mosul Looms, Resistance Grows And ISIS Grows More Brutal play pause stop mute unmute max volume 00:0003:43repeat repeat off Update Required To play the media you will need to either update your browser to a recent version or update your

发表于:2019-01-17 / 阅读(114) / 评论(0) 分类 2016年NPR美国国家公共电台10月

BEIJING, Oct. 10 (Xinhuanet) -- Actress Zsa Zsa Gabor was rushed again to the hospital in Los Angeles to reattach a feeding tube to her stomach Sunday, her publicist said. The 94-year-old actress was taken from her home to UCLA Ronald Reagan Medical

发表于:2019-01-17 / 阅读(109) / 评论(0) 分类 英语新闻

Artemisinin, also known as QingHaoSu in Chinese, was discovered by Chinese scientist Tu Youyou. She received the 2015 Nobel Prize for Physiology and Medicine for the drug's discovery by her team more than three decades ago. In her speech at the Karol

发表于:2019-01-19 / 阅读(162) / 评论(0) 分类 2015CRI中国国际广播电台

拉丁美洲仍是最不平等,最不安全的地区 UNITED NATIONS, Nov. 12 (Xinhua) -- Latin America remained the most unequal and most insecure region in the world, said a UN report released Tuesday, calling for efforts to reduce insecurity thro

发表于:2019-01-31 / 阅读(77) / 评论(0) 分类 英语新闻

President Barack Obama says congressional leaders from both political parties need to do the right thing and work with him to achieve the largest possible compromise to cut deficit spending and raise the national debt limit. Mr. Obama used a news con

发表于:2019-01-31 / 阅读(114) / 评论(0) 分类 英语新闻

By David McAlary Washington 10 January 2007 One of the main weapons to prevent mother-to-child transmission of the AIDS virus during birth is the drug nevirapine. But when nevirapine is used alone just once, HIV starts becoming resistant to it. Rese

发表于:2019-02-04 / 阅读(126) / 评论(0) 分类 2007年VOA标准英语(一月)

爱的反抗力 Muse - Resistance Resistance Muse Is your secret safe tonight? And are we out of sight? Or will our world come tumbling down? Will they find our hiding place? Is this our last embrace? Or will the walls start caving in? (It could be w

发表于:2019-02-05 / 阅读(98) / 评论(0) 分类 好听的英文歌曲

Oh, to be free like a bird. It's been the stuff of fantacy, and of reality. Sort of .A self-contained flying man. This jet pack from 1960s had barely enough fuel to fly 30 seconds. So the dream languished for decades. Everyone agreed it was completel

发表于:2019-02-07 / 阅读(254) / 评论(0) 分类 英语美文

WASHINGTON, Oct. 19 (Xinhua) -- Thanks to a massive(巨大的) and sustained(持久的) policy response, the U.S. economy has continued to recover from the worst recession(衰退,不景气) since the Great Depression, but the recovery rem

发表于:2019-02-11 / 阅读(78) / 评论(0) 分类 英语新闻

The central parity rate of the Chinese currency strengthened 175 basis points on Tuesday, closing at 6.32 to the U.S. dollar. The yuan has stabilized somewhat after a sharp depreciation in August, but remains down 1.8 percent compared to the start of

发表于:2019-02-18 / 阅读(145) / 评论(0) 分类 英语新闻

托福阅读高分的关键是在于多看多练,同学们在日常练习中应该重视托福阅读材料的分析。新东方网为大家整理提供托福阅读练习,供各位考生复习参考。 Although only 1 person in 20 in the Colonial

发表于:2019-02-26 / 阅读(75) / 评论(0) 分类 托福英语
学英语单词
-dia
-grel-
access button
alignment tolerance
alumino-katophorite
avengers
Bicordin
bracket creeps
buka puasa
cable hook
Calceolaria hybrida Hort.
calneuron
cerebral pseudotumor
Chaunograptus
claw plate connector
coast trend
Colinus virginianus
constitutionalist
corrosion-inhibited fuel
Damaraland mole rat
diagnostic order of calculator
digital selective calling
divide up
doryline
downlock switch
dual density device
dumb-cane
edge with
empiricist
en-lils
eurodeposits
evening emerald (nightemerald)
fenestellae
frameshifted
gaol
gerontophobia
good with
grooving and tonguing
high frequency antigen
hull cleaning
initial defence communication satellite
inlet throat
international house of pancakes
irreparable harm
irrigation
justings
kathawachaga l.
kirnan
kosterite
kyis
legal-services
litchfield
macro processing
manicdepression
MBOED
merrithew
minitrends
misa
moronism
Mouhijärvi
musica universalis
neo-punk
nitrochloromethane
non-sealing cap
not worth the paper it is written on
occupational risk
offprint
Olnie, R.
Oxazorone
Padina
parslows
people's supervision committee
phenylpyruvic oligophrenia
precolor
probable maximum tsunami
propeller blade thickness
psychists
puzzlemaster
retinal phlebitis
rice balls
room scattering
sampi
schizopods
sclero-optic
setch
Shepard I.
Shur-Clens
sign-rank test
slitting pass
splash against
sprinkler jet
stratocratic
suction conduit
sudden loss of hearing
sulphenamide
superfriendly
surfacing with band-electrode
thermal condition
towsacks
triple pole switch
Underwood Glacier
vernier gear tooth gage