氢硫化锂

本杰明接到雪莉的电话,匆匆赶来家电商场,最终雪莉买了那款她钟情的微波炉了吗? Listen Read Learn Benjamin: A microwave oven? Shirley: Yes, it's really two-pence colored. Benjamin: Okay, honey, we already have two. There is no more space for a third on

发表于:2018-12-03 / 阅读(93) / 评论(0) 分类 王强口语 第二册

Hi, it's the All in the Mind podcast, I'm Lynne Malcolm. Today we go to Ireland to hear one man's story of living with bipolar disorder. Ian is in his mid-fifties, and despite his illness he has an enviable, almost idyllic life with his wife and thre

发表于:2018-12-04 / 阅读(104) / 评论(0) 分类 听一分钟英文-I

Broadcast: February 14, 2003 By George Grow This is the VOA Special English Environment Report. President Bush has offered a plan to speed development of technology that uses hydrogen as fuel. His goa

发表于:2018-12-07 / 阅读(142) / 评论(0) 分类 VOA2003(上)-科技导航

I am speaking not as a Briton, not as a European, not as a member of a western democracy, but as a human being, a member of the species Man, whose continued existence is in doubt. The world is full of conflicts: Jews and Arabs; Indians and Pakistanis

发表于:2018-12-12 / 阅读(107) / 评论(0) 分类 英语演讲

I couldn't get over this mess. The federal government is confirming what Joan Glickman of Pompano Beach, Florida suspected all along. Tainted drywall from China is giving off a harmful gas that's turning her air-conditioning wiring black, causing it

发表于:2018-12-20 / 阅读(102) / 评论(0) 分类 cnn2009年(十一)月

SCOTT SIMON, HOST: One of the hottest gifts of the season is a little too hot, hot enough to catch fire. Hoverboards have been burning up because of problems with their lithium-ion batteries. And lithium-ion batteries are in a lot of things these day

发表于:2018-12-28 / 阅读(107) / 评论(0) 分类 英语语言学习

Mercury Fillings Seem Safer over Time A study in the journal Chemical Research in Toxicology finds that mercury on the surface of dental fillings slowly turns to an inert sulfide compound, which should keep the mercury from harming the nervous system

发表于:2019-01-02 / 阅读(163) / 评论(0) 分类 60秒科学

American inventor John Goodenough first started working on battery technology more than 40 years ago. Goodenough actually co-invented lithium-ion batteries in 1980. This eventually led to a revolution in the electronics industry because those devices

发表于:2019-01-02 / 阅读(98) / 评论(0) 分类 2017年VOA慢速英语(五)月

Parts of Chile are facing a growing water crisis. The Reuters news agency reports the government is taking steps to protect the countrys water supplies from mining operations. But for many years, the Chilean government approved water extraction right

发表于:2019-01-03 / 阅读(128) / 评论(0) 分类 2018年VOA慢速英语(九)月

From VOA Learning English, this is the Health Lifestyle report. Garlic is one of the most common cooking ingredients around the world. Many dishes in Europe, Africa, Asia and the Americas use this strong-flavored vegetable. Garlic is similar to other

发表于:2019-01-12 / 阅读(145) / 评论(0) 分类 2016年VOA慢速英语(十二)月

Batteries That Last Forever Could Be Near 科学家研发可永久循环使用电池 We all have daily problems with technology, but how many of us can fix them? Mya Le Thai is a scientist studying at the University of California, Irvine. She recentl

发表于:2019-01-12 / 阅读(114) / 评论(0) 分类 2016年VOA慢速英语(五)月

Aircraft maker Boeing says commercial flights of the grounded 787 Dreamliner jets could resume within weeks. We are going to be dependent upon, as we move through the certification process, to determine when we actually get back in the air in terms o

发表于:2019-01-19 / 阅读(85) / 评论(0) 分类 英闻天下

Black Tongues and Stomach Aches Don: Oh, no, Ya?l, I think I'm having a medical emergency. Quick! Call an ambulance. Ya?l: A medical emergency, Don? Are you sure? You look fine to me! D: But I'm not. This morning, I had a terrible stomach ache. And n

发表于:2019-01-26 / 阅读(89) / 评论(0) 分类 英语听力文摘 English Digest

Sewage stinks. But bacteria can make it smell better. Oh, yeah? That's true. Certain forms of bacteria feasting on sewage give off hydrogen sulfide, a really malodorous chemical, and one of several that give sewage its pleasing smell. In general this

发表于:2019-01-26 / 阅读(94) / 评论(0) 分类 英语听力文摘 English Digest

PREFIX 1.a-:of;on;intensive;negative,not,without;ad-;ab-. 2.ab-:away from,off. 3. ad-:to;at;for. 4. aer(o)- :relating to air . 5.al-:all. 6.ambi-:on both sides,around. 7.amphi-:on both sides,around. 8.an-:negative,not,without. 9.ana-:upon,up,on. 10.a

发表于:2019-02-06 / 阅读(146) / 评论(0) 分类 雅思英语

As China Molybdenum announced it was buying one of Africas largest copper mines earlier this month one thing was soon clear: the acquisition was about far more than the red metal. 随着洛阳钼业(China Molybdenum)本月早些时候宣布正在收购

发表于:2019-02-08 / 阅读(124) / 评论(0) 分类 英语新闻

December 30, 1954 I am speaking not as a Briton, not as a European, not as a member of a western democracy, but as a human being, a member of the species Man, whose continued existence is in doubt. The world is full of conflicts: Jews and Arabs; Indi

发表于:2019-02-09 / 阅读(158) / 评论(0) 分类 英语美文

Chances are, you plug in your phone before you go to bed at night, thinking it's best to greet the morning with a fully charged device. 晚上临睡前,你可能会给手机充上电,想着第二天早上看到一部电量满格的手机。 Is th

发表于:2019-02-13 / 阅读(157) / 评论(0) 分类 英语新闻

Voice 1 Hello. Im Rachel Hobson. Voice 2 And Im Mike Procter. Welcome to Spotlight. This programme uses a special English method of broadcasting. It is easier for people to understand, no matter where in the world they live. Voice 3 I was in the tent

发表于:2019-02-14 / 阅读(115) / 评论(0) 分类 环球英语 Spotlight

本期内容: Europe gave the world some of its top automakers, but it's losing out to China in the race to define the industry's future. China is the driving force in the business of electric vehicle batteries, which European leaders see as vital

发表于:2019-03-01 / 阅读(131) / 评论(0) 分类 夏说英语新闻晨读
学英语单词
accessibleness
Ainsliaea
air-cooled type
algophobic
allopolyploid speciation
Anderlues
anti-siphon trap
architectural characteristics
ascochyta pisi libert
at this point in time
Babelian
banjo mandolins
Bedias
bien-pensants
bleeding pressure of roots
Bolboschoenus
boogie board
brouhahas
Burynshyk
busting it
casiano
Chiromo
chordacentra
cloquet r.
coarse moduli space
community relations
concrete setting
conidial stage
containment boundary material
croyce
damping transformer
Darzen's reaction
Debt is the worst poverty.
DEN-1
digitally controlled local oscillator
dihalides
external losses
F7
fibromyomata
film store
first aid kits
floating terminal
foul air pipe
full bar
gikiyami
global extent
glow-discharge voltage regulator tube
Hatfield Broad Oak
hemiblocks
high voltage connection
household refrigerator
immotilities
in-house magazine
iron spike
isotopic hydrology
large transport airplane
latinamerica
laundermat
Lemoine hexagons
lower beacon light
mentioned
micro-alloyed steel
morinamide
moving-image camera picture
my uncle on my mother's side
narrow energy gap material
no-colours
nonketotic hyperosmolar coma
O,O-diethylthiophosphoryl chloride
omphalomesenteric duct anomalies
outstanding and trading margin
Pacific Seaboard
palaeoclimatologic
pediferous segment
pityrogrammas
pressure test,strength test
Progressive Era
pseudopores
quinoquinazolone
ringing waveform
roof-angle prism
sbeitla
sheet slab
signal multiplexing unit
slob up
spike pullout fore
sq.m.
srikrishna
suink
swizs
thin film solid-state image sensor
Tricholoma flavovirens
trigger-gate
tunnel location
twin machine gun
unofficiality
valerian families
verbal fluency
verifying
wet rag
wherenot
Xanthoperol