不稳定逆泸波器

But the HEPA filter for Olivers Vibe got dirty very quickly. And, it was not cleanableit was simply replaceable. When it turned filthy brown, Oliver went back to Target to buy a new filter. Oddly, Target sold the F15 belt for the Vibe, but not the fi

发表于:2018-12-11 / 阅读(104) / 评论(0) 分类 365个英语简短小故事

作文和听力,阅读一样,可以早做准备。现在流行的复习方法是从下半年复习,甚至是考试前3个月才开始复习。复习的教材无一例外的是考试虫系列的万能作文:背一二十篇作文模式,背一二

发表于:2018-12-12 / 阅读(56) / 评论(0) 分类 英语学习方法

From VOA Learning English, this is the Health Lifestyle report. In parts of India, it is not uncommon to see people wearing a mask over their nose and mouth. The capital, New Delhi, has some of the world's dirtiest air. The pollution was a call for a

发表于:2019-01-03 / 阅读(100) / 评论(0) 分类 2018年VOA慢速英语(一)月

This is Scientific American's 60-Second Science. I'm Christie Nicholson . Got a minute? The lure of gambling clearly comes from the chance of winning. But how exciting is it to almost win? A study in the February 12th issue of the journal Neuron look

发表于:2019-01-08 / 阅读(109) / 评论(0) 分类 Scientific American(二)月

This is Scientific Americans 60-Second Science. Im Sophie Bushwick. Got a Minute? What's the best way to find out if an unknown mixture contains a specific substance, like an environmental contaminant? You could use an expensive, bulky gas chromatogr

发表于:2019-01-08 / 阅读(106) / 评论(0) 分类 Scientific American(八)月

在中国,普通话作为官方语言的地位日益巩固。然而在英国,为什么大多数的英国人不遵循标准的发音[standard pronunciation or RP(received pronunciation)],却喜欢操着一口地方口音呢?难道英国人不认

发表于:2019-01-11 / 阅读(73) / 评论(0) 分类 实用英语

Ancient Papyrus Reed Could Hold Key to Water Conservation Ancient Egyptians turned papyrus into paper and provided the world with it for thousands of years. Hundreds of thousands of books in the Royal Library in Alexandria and Rome's 58 public librar

发表于:2019-01-14 / 阅读(83) / 评论(0) 分类 VOA标准英语2014年(七月)

Gold, Oil Prices Up as Investors Seek Safe Haven 投资者寻求避险:黄金、石油价格上涨 NEW YORK The up-and-down prices of oil and gold mirror the unsettled world situation, and both reflect the economic squeeze most nations currently face

发表于:2019-01-14 / 阅读(75) / 评论(0) 分类 VOA标准英语2016年(三月)

1. The work that Tim Pons and his colleagues published last week is basic research into the portion of the brain, the cortex, that one scientist says is responsible for all the interesting things we do. 剖析:在这个长句中, 共有两个定语从

发表于:2019-01-17 / 阅读(120) / 评论(0) 分类 雅思英语

Popular choices include, tea,coffee,cocoa. Popular: 流行的 cocoa: 可可 最受欢迎的有茶咖啡可可 I see. No,no,no,wait. Don't hang up yet. hang up: 挂断 了解了解别先别挂 What about a recreational activity? recreational activity:

发表于:2019-01-28 / 阅读(66) / 评论(0) 分类 生活大爆炸第二季

Quite what Halley expected to get from him when he made his unannounced visit in August 1684 we can only guess. But thanks to the later account of a Newton confidant, Abraham DeMoivre, we do have a record of one of science's most historic encounters:

发表于:2019-01-29 / 阅读(47) / 评论(0) 分类 万物简史

Hong Kongs first leveraged exchange traded funds have launched in a bid to tap Asian demand for structured products, even as western regulators are examining the mechanics of leveraged and other riskier forms of ETFs. 香港首批杠杆交易所交易基

发表于:2019-02-01 / 阅读(58) / 评论(0) 分类 英语新闻

By Tabinda Naeem Washington, D.C. 21 May 2007 Two years ago, the National Academy of Engineering established the Grainger Challenge Prize for Sustainability. This $1 million award was designed to challenge the world's scientists to develop a practica

发表于:2019-02-03 / 阅读(140) / 评论(0) 分类 2007年VOA标准英语(五月)

Heres one way to make sure you have perfect attendance in your class: 让你把全部注意力放在课堂上只有一种方法: Meet Pietro Boselli: Obviously, hes ridiculously good-looking. 来见见我们的彼得罗博塞利:看吧看吧,他真

发表于:2019-02-06 / 阅读(88) / 评论(0) 分类 阅读空间

You know how it goes: youre trying to talk to your grandchildren, but theyre constantly checking their beeping phones. Im listening . . . they insist. Except you know only too well theyre not. At home, over dinner, you want to catch up with your husb

发表于:2019-02-07 / 阅读(106) / 评论(0) 分类 阅读空间

Particles can come into being and be gone again in as little as 0.000000000000000000000001 second (10-24). Even the most sluggish of unstable particles hang around for no more than 0.0000001 second (10-7). 粒子可以在短达0.000 000 000 000 000 0

发表于:2019-02-17 / 阅读(67) / 评论(0) 分类 万物简史

和同事聊天时,她突然问我:当时,他是怎么向你求婚的,浪漫吗?我一愣,随即笑了:我老公是很木讷的人呢,你说会浪漫吗?虽然这样说,我心里却泛起甜丝丝的感觉来。他确实从来不浪漫,他的求婚没有

发表于:2019-02-18 / 阅读(88) / 评论(0) 分类 英语美文

Over the last 13 years, investors have experienced some of the largest financial bubbles in history. Asian currencies rose and fell, technology and Internet shares suffered staggering losses, oil and other commodities rode a wild roller coaster, and

发表于:2019-02-18 / 阅读(66) / 评论(0) 分类 阅读空间

一. 上升增长1.add up to 增加了eg. The total amount of added up to 14 billion pounds(14%) in 1994. 2. to jump to / to soar to 一跃达到/ 猛增到 eg. The total working days lost soared to 10 million in 1979. 3.an increase of ab

发表于:2019-02-18 / 阅读(108) / 评论(0) 分类 四六级写作指导

Law of Supply Demand: This is the founding block of economics. Whenever supply of something increases its price decreases and whenever supply decreases price increases. Thus, when you have excess production of corn, food prices decrease and vice vers

发表于:2019-02-25 / 阅读(81) / 评论(0) 分类 英文语法词汇
学英语单词
adhesive wax
alizarine red
anabolic
anchylosing
antiboreal faunalregion
application to unload
Arisaema dracontium
attested form
baeckol
bardacious
bathyuroconger parvibranchialis
bifepramide
bodleians
cabbesse
cervo
chauffard's syndrome
chemiluminescent NOx analyzer
chiu
commune-run enterprise
dainty bits/daisy
Dalcroze, E.mile Jaques
dart-throwing
delay line decoder
diplolar
dischords
discompted
dollarisation
double lens
en train
encyclics
epistaxes
flip-flop switching
fruit of simple leaf shrub chaste tree
furnace shutdown
good anchorage
granulovirus
hairy wood pecker
Homburg hat
home port
hydronations
hydrostatic
ichthyol.
inertial flight
intercontinental transit circuit
internecion
juvenile delinquency
Kamphaeng Phet
Kossi, Prov.de
Kānchenjunga(Kāngchenjunga)
lag-time
Leyte G.
linear curve
Liveras
logoless
luth
magnitude of maximum shearing stress
mahlum
Manāqīr
McDonald, L.
medialization
Michelson interference microscope
microneurovascular transplantation of pancreas
miliums
minimum stated-speed sign
misplacements
mobile calibration laboratory
mud lighter
multifunction array radar
nlds
non-driven-end bearing
null-balance
offshore practice
Oimbra
one motion
pan-climax
Pinocchios
plant one or two crop a year
post-puberal
potty trained
progenerations
propellant burning time
pseudouridine
ratchet and pawl drive
reel-pot
rural land
sales potentials
sarvisberry
Show Only Unread Messages
silver sagebrush
slot indicator
smithi Leucocytozoon
solar magnetic fluid power generation
stud fish tag
suky
synchronous condition
the mediterranean
the pennsylvanian
tragical
trust fund program
ultrsonic vibration
uroleucon monticola
valve working condition