甲基丙烯酸甲酯-丁二烯-苯乙烯共聚体

VOICE ONE: I'm Steve Ember. VOICE TWO: Colorful fish at Danger Reef And I'm Barbara Klein with EXPLORATIONS in VOA Special English. Today we explore the clear blue waters around the islands of the Bahamas to learn about the exciting sport of scuba d

发表于:2018-12-15 / 阅读(90) / 评论(0) 分类 VOA慢速英语2008年(八)月

This is the VOA Special English Agriculture Report. Thanksgiving Day is America's version of a harvest festival. The holiday is celebrated on the fourth Thursday in November. This Thursday, millions of Americans will join family and friends to give t

发表于:2018-12-16 / 阅读(128) / 评论(0) 分类 2010年VOA慢速英语(十一)月

AS IT IS 2016-10-01 Report: Smoking May Permanently Damage Genetic Material 报告称吸烟或永久性损伤你的遗传物质 Here is another reason to not light up a cigarette. Smoking can permanently damage your genetic material, according to a n

发表于:2018-12-16 / 阅读(42) / 评论(0) 分类 2016年VOA慢速英语(十)月

This is Scientific Americans 60-Second Science. Im Cynthia Graber. This will just take a minute. Saliva contains many useful components: lubricants, enzymes for breaking down food and now compounds that can reveal a persons age. Thats according to a

发表于:2018-12-24 / 阅读(92) / 评论(0) 分类 Scientific American(六)月

Ever get a sour stomach after your morning coffee? Well, you might end up switching to a dark roastbecause that coffee concoction may leave you with a happier tummy. That's according to the research presented at the American Chemical Society meeting

发表于:2018-12-24 / 阅读(93) / 评论(0) 分类 Scientific American(三)月

You may have heard that humans and chimpanzees have something like 96 percent of our DNA in common. So why, then, are diseases like cancer so common in humans but so rare in chimps? If our DNA is nearly identical, shouldnt we be at risk for many of t

发表于:2018-12-28 / 阅读(47) / 评论(0) 分类 初学者听力文摘精选

Stomach Cells Happier with Dark Roast Coffee Ever get a sour stomach after your morning coffee? Well, you might end up switching to a dark roastbecause that coffee concoction may leave you with a happier tummy. That's according to research presented

发表于:2019-01-02 / 阅读(124) / 评论(0) 分类 60秒科学

M Madasiatic acid 崩大碗酸 Magnoflorine 木兰花碱 Magnolia cortex P.E 厚朴提取物 Magnolol 厚朴酚 Maitake mushroom P.E 灰树花提取物(舞茸提取物) Malonyl Oleanolic acid Hemi

发表于:2019-01-03 / 阅读(89) / 评论(0) 分类 医务英语

AGRICULTURE REPORT - Restrictions on Methyl Bromide By Mario Ritter Broadcast: Tuesday, March 16, 2004 This is Steve Ember with the VOA Special English Agriculture Report. Graphic Image Some chemicals

发表于:2019-01-06 / 阅读(128) / 评论(0) 分类 农业与发展

By Caty Weaver Broadcast: September 12, 2003 This is Bob Doughty with the VOA Special English Environment Report. Scientists in the United States have reported some good news about the 1)ozone in the

发表于:2019-01-11 / 阅读(98) / 评论(0) 分类 VOA2003(下)-环境与健康

By Delia Robertson Johannesburg 01 November 2006 Former South African president, P.W. Botha, has died at his home in Wilderness on the country's southern coast. He was 90. VOA's Delia Robertson has this profile on the man who introduced some reforms

发表于:2019-01-12 / 阅读(151) / 评论(0) 分类 2006年VOA标准英语(十一月)

Middle class red shirt supporters Uraiwan Suwannasang, left, and Teerapan Suwannasang, in front of photos of their children at home in Ban Pheu, 17 May 2010 Many of the so-called Red-Shirt protesters who have spent more than two months demonstrating

发表于:2019-01-13 / 阅读(78) / 评论(0) 分类 VOA标准英语2010年(五)月

A: What can I do for you today? B: Doctor, I have the worst toothache! A: How long have you had this pain? B: For about a week or so, but its gotten really bad in the last couple of days. A: Did you do anything that might have aggravated your tooth?

发表于:2019-01-15 / 阅读(143) / 评论(0) 分类 英语情景对话-健康

A: So what brings you to my office today? B: My tooth is killing me! A: How long has your tooth been bothering you? B: It just started hurting me last night. A: Have you injured your tooth in any way? B: I think one of my fillings might be coming loo

发表于:2019-01-15 / 阅读(98) / 评论(0) 分类 英语情景对话-健康

A: How have you been doing? B: I cant sleep or eat. I have a really bad pain in my tooth! A: How long have you had this toothache? B: It bothers me off and on, but its gotten much worse these past few weeks. A: Is there anything that youve done to yo

发表于:2019-01-15 / 阅读(85) / 评论(0) 分类 英语情景对话-健康

Science and Technology Epigenetics and stress Baby blues 科技 外因遗传与压力 新生儿蓝调曲 A mother's stress while she is pregnant can have a long-lasting effect on her children's genes 母亲孕期压力过大会对孩子的基因造成长

发表于:2019-01-26 / 阅读(125) / 评论(0) 分类 经济学人科技系列

Body Clock Provides Clues to Aging 生物钟提供衰老的线索 If youre searching for the fountain of youth, you might find it in your DNA. Thats according to a new study that sheds light on the biological clock ticking in our genomes, why our bod

发表于:2019-01-31 / 阅读(74) / 评论(0) 分类 VOA常速英语2013年(十月)

今天我们要学的词是thumbs-up。 Thumbs-up, 是翘大拇指,表示满意和赞赏。 The movie got a thumbs-up from the critics, 这部影片得到了影评人的好评。 Her performance was given a thumbs-up by her coach, 她的表演得到了

发表于:2019-02-04 / 阅读(96) / 评论(0) 分类 英语单词荟萃

What babies know fascinates doctors, researchers and parents. With technology that can measure brain waves and other indicators, what researchers are finding is that babies know more than we suspect. What do they know and when do they know it? Such q

发表于:2019-02-07 / 阅读(53) / 评论(0) 分类 VOA标准英语2010年(五)月
学英语单词
Alavieska
answer to
Asfer, Reg.el
asseverated
Bandtooth
basileolatry
braided hose
brevoortia
bridgewire
call supervision packet
centrifugal distortion
Chilean jasmine
complete lubricating refinery
complete system of invariant
computer resource sharing
constant rate creeep
core varnish
cotton stripper attachment
crepuscular organisms
cryo-ophthalmic
dissectability
document processing menu
donkeyish
dueo
dynamic debugging routine
electric lamps
eutectoid
genetic screenings
genus Boehmeria
Glenlossie
glottocentrism
goodness me
Hadιmköy
hierarchical object oriented design
Hopewell culture
hybrid identity
inoculates
input-output variable
inspection of port state control
intersensorial
Jasper Seamount
Juglans L
laser feedback
Lev Tolstoy
Ligularia parvifolia
lithologic hydrocarbon reservoir
load adjusting device
Matyushkina, Mys
microci isolation
model of population dynamic projection
monophonic musics
mycologies
Nam Pat
nefrix
neighbouress
neo-hegelian philosophy of law
neural network simulation
nomina
nonplays
numbered copy
p-additive norm
paleographers
papermachine
point-transfer device
potato Y-mosaic
proper margin
punne
range of spindle speeds
raymedia
restoring
Ryasnopil'
sand bearing test
Saysārīm
Schoharie County
sclerosing osteogenic sarcoma
scooched
scoreboards
self-aligned contact
settling account
silicylene
simultaneous differmination
sleevings
sliding parallel-plate viscometer
soybean washer
spirane structure
star sensor
stress rate
thermionic conductance
thieboudienne
tonal paper
TPIMs
treelines
turbulent medium
ultimate duty
ultrasonic multiple grating
vacuum photocell
Viverra civetta
wavily
worth their salt
Wsver-Bray phenomenon
zijn
zuogui pill