[电] 氧化锌压敏电阻器

A Harvard commencement is a special occasion.How could anyone not have been thrilled by this morning's assembly?25,000people packed in the Harvard yard to celebrate one of the great occasions of life.I loved it all,and I love this great gathering a

发表于:2018-12-18 / 阅读(84) / 评论(0) 分类 白领英语晨读

This is Scientific American's 60-Second Science. I'm Karen Hopkin, this'll just take a minute. On February 8th, we told you about scientists who had created a device worn over the knees that could harvest the energy you otherwise waste while walking.

发表于:2018-12-24 / 阅读(61) / 评论(0) 分类 Scientific American(二)月

丹尼尔看医生时,医生说他患了流感,要打针。小孩好像都很怕打针,我们的丹尼尔呢,他也怕吗?往下看就知道了。 Listen Read Learn Doctor 3: What seems to be the problem, kid? Daniel: I've got a sore throat, a runny nose and a headache. Doctor 3: AhHow long

发表于:2018-12-26 / 阅读(101) / 评论(0) 分类 英语口语大赢家

Oscar Pistorius is the South African Paralympic runner famous for trying to compete at the Olympics. He is known as Blade Runner because of the artificial limbs he uses to sprint. He is also dubbed the fastest man on no legs. Pistorius is the double

发表于:2019-01-01 / 阅读(110) / 评论(0) 分类 各国名人英文介绍

One main goal in the renewable energy field is to find an efficient, inexpensive way to split water into hydrogen and oxygen. The hydrogen could then be used as a fuel source for vehicles or fuel cells. Typically, an electric current breaks the water

发表于:2019-01-02 / 阅读(97) / 评论(0) 分类 60秒科学

SCIENCE REPORT - February 28, 2002: Blood Test For Ovarian Cancer By Nancy Steinbach This is the VOA Special English Science Report. American medical researchers say they have developed a simple blood

发表于:2019-01-02 / 阅读(86) / 评论(0) 分类 科技之光

「在神圣的荒野中,我们能看见自己最良善的特质」野生生态保育人士博伊德?瓦提(Boyd Varty)与我们分享动物、人类及两者相互关系的故事,也就是南非谚语Ubuntu所言:「是你成就了我」。博伊

发表于:2019-01-05 / 阅读(100) / 评论(0) 分类 TED公开课:地球村

热爱恶搞的投资家Yossi Vardi针对写博客时的危险性发表了详尽的见解。尤其给男性们警醒。

发表于:2019-01-05 / 阅读(94) / 评论(0) 分类 TED公开课:(不只是)男人经

By Paige Kollock Washington, D.C. 18 January 2006 view Cancer report Medical experts say it is the biggest breakthrough in more than a decade in the fight against ovarian cancer, a rare but deadly for

发表于:2019-01-06 / 阅读(126) / 评论(0) 分类 2006年VOA标准英语(一月)

One main goal in the renewable energy field is to find an efficient, inexpensive way to split water into hydrogen and oxygen. The hydrogen could then be used as a fuel source for vehicles or fuel cells. Typically, an electric current breaks the water

发表于:2019-01-08 / 阅读(96) / 评论(0) 分类 Scientific American(四)月

PRETORIA, Feb. 20 (Xinhua) -- The second day of paralympian Oscar Pistorius' bail hearing ended on Wednesday without a court ruling on his application. Magistrate Desmond Nair ruled that Pistorius would remain in custody again at the Brooklyn police

发表于:2019-01-11 / 阅读(117) / 评论(0) 分类 英语新闻

PRETORIA, Feb. 19 (Xinhua) -- The Pretoria Magistrate Court on Tuesday postponed Paralympian Oscar Pistorius' bail hearing to Wednesday. Magistrate Desmond Nair ruled that the bail hearing be heard under Schedule 6 Offence of the Criminal Procedure A

发表于:2019-01-11 / 阅读(134) / 评论(0) 分类 英语新闻

Sunscreen comes in many forms, each with its own impacts on your body and the environment. 防晒霜有很多种,每种对你的身体和环境影响各有不同。 With so many options, how do you choose which sunscreen is best for you? 有了这么

发表于:2019-01-17 / 阅读(107) / 评论(0) 分类 TED演讲教育篇

34 过多服用雌性激素有可能引发卵巢癌 DATE=4-12-01 TITLE=SCIENCE REPORT -Estrogen and Ovarian Cancer BYLINE=Mario Ritter (Start at 1'00

发表于:2019-01-30 / 阅读(98) / 评论(0) 分类 科技之光

SCIENCE IN THE NEWS - From A to Zinc: The Story of Vitamins By Nancy Steinbach Broadcast: Tuesday, March 29, 2005 (MUSIC) VOICE ONE: I'm Bob Doughty with Phoebe Zimmermann, and this is the VOA Special

发表于:2019-01-30 / 阅读(105) / 评论(0) 分类 科技之光

Zinc supplements reduce the average cold by about a day and also make symptoms(症状) less severe, according to the latest findings. There's no cure for the common cold, but there's no shortage of ways to treat the symptoms. For a number of year

发表于:2019-02-05 / 阅读(71) / 评论(0) 分类 英语新闻

Offering Substitute 提供代用品 Specimen Letters1. Offering Rayon in Place of Watered Silk提供人造丝代替水洗丝Dear Sirs,Thank you for your fax of yesterday (April 3) with your order No.456 for 5,000 metres of 100cm wide watered silk. We

发表于:2019-02-05 / 阅读(126) / 评论(0) 分类 实用英语

MADRID, Oct. 22 (Xinhua) -- Sevilla goalkeeper Javi Varas was the hero of the night as his side produced a stunning defensive display to earn a 0-0 draw against FC Barcelona in the Camp Nou stadium. Varas made a string of spectacular saves, including

发表于:2019-02-07 / 阅读(100) / 评论(0) 分类 英语新闻

By Jessica Berman Washington 13 February 2008 Scientists in the United States say they have developed fabrics that can generate electricity. Researchers say they have harvested enough electricity to power small electronic devices such as an mp3 playe

发表于:2019-02-08 / 阅读(73) / 评论(0) 分类 VOA常速英语2008年(二月)

电脑英语--常见硬件篇CPU:Central Processing Unit,中央处理单元,又叫中央处理器或微处理器,被喻为电脑的心脏。 RAM:Random Access Memory,随机存储器,即人们常说的内存。 ROM:Read-Only Memory,只

发表于:2019-02-15 / 阅读(105) / 评论(0) 分类 天天商务口语
学英语单词
abovesaid
al-fustat
all-pass network
anthromorphic
Artjarvi
average logarithmic energy decrement
backcrawl
blazonest
blocking factor
bored piles
brantwoods
bristol glass
calculation command
chilean firebushes
cleavage dissection
cross-application
de-adapting
desaroside
detector of defects
diffusion hole
Discophyllites
dissimilarity index
distributing reservoir
Dorbane
double-column machine
doublers
eclipselike
electronic multiple automatic exchange
enemie
enflagellation
excition
exfoliative psoriasis
expanded cinema
family cortinariaceaes
finishing tooth of broacher
fishbones
FPE
Gauguin, Paul
Granuloreticulosia
half-hunters
hand-me-down
Hedyotis bodinieri
hereditary splenic hypoplasia
Hundewāli
hyposom
IASTIC
in twain
isonitriles
komodo lizards
lexical decision task
lpci line
ludas
lumens
lusks
Mufuma
multilingual operating system
multiple-stage harmonic gear drive
neutral step filter
nicolas poussins
nitrodiphenylmethane
numinosities
nutrient fixation
ohhhhh
on an arm's length basis
organodynamisme
out-looker
outvoices
partes oralis
pebbly mudstone
pencil tests
phosphoruranylite
photo-electrostatic display recorder
photon excited X-ray fluorescence analysis
polyundecamethylene glycol
rated working load of swivel
razzies
republics of yemen
return type burner
reverse repo
riccardia crenulata
riding-boot
say amen to
scab-resistance
schizophasics
ship's form
Silene ningxiaensis
spot meter
step dance
superior rectus muscle
Swapan
symmetrical architecture
technical milieu
terratolite
transitivizer
tukey's test
utility graph
Vasco
veches
vector acceleration
vernale
yamada
zinc fluosilicate