机器单元

Vox: Welcome to Vault System. How may I help you? Alexander: I didn’t see you there. Vox: I always seem to have that effect. How may I help you, sir? Alexander: What is that thing? Vox: That is my p

发表于:2018-11-28 / 阅读(327) / 评论(0) 分类 疯狂英语2002年

By Caty Weaver Broadcast: July 25, 2003 This is Bill White with the VOA Special English Environment Report. Researchers say they have found a way to reduce the cost of some 1)fuel cell production. The

发表于:2018-12-01 / 阅读(235) / 评论(0) 分类 VOA2003(下)-环境与健康

Its easy to think of computer as just machinery: buttons, screens and parts that work together. But the magic of computers comes from something makes them unique to you. This is Computer Software In Plain English. The problem with computers is that m

发表于:2018-12-11 / 阅读(148) / 评论(0) 分类 英语解说豆知识2009年

[00:00.00]Word list Unit 1_top 3 [00:03.37]单词表 第一单元 第三部分 [00:06.74]Can you guess my age? [00:08.19]你能猜我的年龄吗? [00:09.64]can [00:11.23]能 [00:12.83]age [00:14.46]年龄 [00:16.09]zero [00:17.42]零 [00:18.76]one

发表于:2018-12-13 / 阅读(202) / 评论(0) 分类 北京仁爱英语

For something that could revolutionize the world, its come along very slowly. The fuel cell was invented in 1839, but there was little development until the 1950s when NASA started to use them in space where they are still used today. Now, after yea

发表于:2018-12-30 / 阅读(183) / 评论(0) 分类 国家地理2008年

我们中国人用“及时雨”或“半路杀出个程咬金”来形容那些在关键时刻出来解围的人物,在英语中这样的关键人物叫做deus ex machina 。但是这个拉丁语太

发表于:2019-01-07 / 阅读(188) / 评论(0) 分类 英文语法词汇

Alexander Graham Bell 亚历山大-格拉汉姆-贝尔 Can you imagine living without a telephone or a cell phone? 你能想像没有电话或手机的生活吗? Until 1876, people didn't have phones. 直到1876年,人类才有了电话。 Many s

发表于:2019-01-10 / 阅读(134) / 评论(0) 分类 与美国小学生一起学英文第11册

Mutation 突变 Do you know about mutations? 你知道突变吗? A mutation happens when the DNA structure in a gene changes. 当基因的DNA结构发生变化时就会发生突变。 Once a mutation happens, the change can't be reversed. 突变一旦

发表于:2019-01-10 / 阅读(160) / 评论(0) 分类 与美国小学生一起学英文第12册

By Carol Pearson Washington 25 September 2007 A lot of people wonder about the impact cell phones might have on their health. And now a new study shows that heavy mobile, or cell, phone use may result in hearing loss. VOA's Carol Pearson reports. As

发表于:2019-01-11 / 阅读(167) / 评论(0) 分类 2007年VOA标准英语(九月)

By Bill Rodgers Washington 19 May 2008 Cell phones are an example of what is sometimes now called leapfrog technology, a product that allows developing nations the benefits of a reliable and extensive communications network without the heavy investme

发表于:2019-01-13 / 阅读(139) / 评论(0) 分类 VOA标准英语2008年(五月)

By Victoria Cavaliere New York 16 October 2007 An annual stem cell research conference in New York has been bringing together some of the field's top scientists to discuss breakthroughs in stem cell research and what proponents call its long-term app

发表于:2019-01-31 / 阅读(164) / 评论(0) 分类 2007年VOA常速英语(十月)

By Paul Sisco Washington 17 April 2008 Federal regulators in Washington have approved plans to upgrade the nation's Emergency Alert System to include text messages to cellphones and other mobile devices. VOA's Paul Sisco has more in this Searching fo

发表于:2019-01-31 / 阅读(156) / 评论(0) 分类 VOA常速英语2008年(四月)

I got two tickets to a show at the last minute and I tried to find someone to go with me. First, I called Amanda. The phone rang and rang and then her answering machine picked up. Hi, I'm not in right now. Leave me a message and I'll get back to you

发表于:2019-02-03 / 阅读(129) / 评论(0) 分类 地道美语播客

WASHINGTON, Aug. 4 (Xinhua) -- Researchers have found a way to turn mouse embryonic stem cells into sperm and this finding opens up new avenues for infertility research and treatment, according to astudy published Thursday in the online edition of jo

发表于:2019-02-04 / 阅读(309) / 评论(0) 分类 英语新闻

Turn Off Your Cell Phone 关掉你的手机 We went to the movie the other night. I sat in an aisle seat as I usually do, because it feels a little roomier. Just as the feature was about to start, a blonde from the center of the row got up and starte

发表于:2019-02-07 / 阅读(269) / 评论(0) 分类 趣味英语

听歌学英语:Two Beds and a Coffee Machine(野人花园) Savage Garden (野人花园)是一个来自澳洲的二人组合,他们的演唱事业曾经获得极大的成功,每一首歌都有自己的特色,今天我们来学习一首反

发表于:2019-02-07 / 阅读(193) / 评论(0) 分类 听歌学英语

Without the cell, they are nothing more than interesting chemicals. 没有细胞,它们只是有意思的化学物质。 But without the chemicals, the cell has no purpose. 但要是没有这些化学物质,细胞就毫无用处。 As the physici

发表于:2019-02-17 / 阅读(110) / 评论(0) 分类 万物简史

By Jessica Berman Washington 19 December 2007 Stem cell research was the major medical and science story this past year, topping the list of achievements that experts say might finally lead to cures for many diseases. Meanwhile, global health officia

发表于:2019-02-17 / 阅读(180) / 评论(0) 分类 VOA常速英语2007年(十二月)

WASHINGTON, May 11 (Xinhua) -- Researchers at Brigham and Women 's Hospital (BWH), a teaching affiliate of Harvard Medical School, have identified(鉴定) a human lung stem cell that is self-renewing and capable of forming and integrating multiple bi

发表于:2019-02-18 / 阅读(219) / 评论(0) 分类 英语新闻

Why You Shouldn't Leave Nude Photos of Yourself on Your Cell Phone The 23-year-old woman lost her cell phone in a restaurant parking lot. By the next morning, someone was texting nude photos of her to everyone. As regular readers have learned many ti

发表于:2019-02-24 / 阅读(167) / 评论(0) 分类 阅读空间
学英语单词
absolute aerodynamic ceiling
administration system
alienation test
alphameric field
autosmia
Balabalangan, Kep.
Bantingize
benzoyltrifluoroacetone
blendeth
breadth molder
brick-tea
brothelling
castellites
close-slots combination
combined ratio
community sentence
contracts-out
Corydalis rheinbabeniana
cosmetic dermatitis
decibel above reference noise
diastematorrhinia
drafting tables
dry path
educational counseling
emergency coupling screw
emerys
endostome
fatty alcohol sulfonate
ferrosilicons briquets
flat deposit
folcinis
foothill problem
genus alsophilas
haul round
hemangioma cutis
hesperiid
hexagonal hemihedralholoaxial class
hot heat
injury severity score
insidon
interval series
Knrunegala ulcer
koettlitz gl.
lamprophyllite
laraki
laser correlation spectroscopy
matrix element in beta decay
medicae
membranous atresia of anus
mezzanomycin
microlepia krameri
monoclon
muscalmon
mythologizable
oil tank wagon
packaged rotary drum dryer
parapsoriasis retiformis
Pauldopia
periprocedural
pilot-parachute
pneumatic operation
post-mortuary
postconventional
potassium magnesium bicarbonate
preparation-ointment
proman
punchdrunk
radar cross-section (rcs)
rate of circulation
Rauland
re-key
read, burst
right wing gear
Rugby School
sealing force
service hoisting
shit-house
sinker drill
slow lemur
Spp1
steel-lined
step-vein
stockroom
store-space
surface waviness recording instrument
tfac
thermochronological
three-stage rocket
tie-and-dye
travel limit switch
tsars
two-way analysis of variance
umbrella gingham
vapor-liquid separator
volumetrical filling machine
wapps
water-proof wire
water-rug
weighs
who laughs last laughs best
wired-in
Zu-Zu