黄酸化纤维素

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(93) / 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(133) / 评论(0) 分类 2010年VOA慢速英语(十一)月

'Belle' Of The Big Screen: Gugu Mbatha-Raw Stays Busy In Film play pause stop mute unmute max volume 00:0007:30repeat repeat off Update Required To play the media you will need to either update your browser to a recent version or update your Flash pl

发表于:2018-12-17 / 阅读(50) / 评论(0) 分类 2016年NPR美国国家公共电台11月

Don: Time to go again to the A Moment of Science mailbag. Yal: A listener writes: Dear A Moment of Science, Scientists know that one day we'll run out of oil and other natural sources of energy. Beyond solar power and wind power and ethanol, what are

发表于:2018-12-27 / 阅读(78) / 评论(0) 分类 英语时差8,16

DEVELOPMENT REPORT - Nobel Peace Prize Winner Wangari Maathai By Gary Garriott Broadcast: Monday, October 18, 2004 This is Gwen Outen with the VOA Special English Development Report. Graphic Image Ken

发表于:2019-01-02 / 阅读(90) / 评论(0) 分类 农业与发展

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This'll just take a minute. It sounds like something out of a bad science fiction novel. During World War II, a fungus called Tricoderma reesei ate its way through US military unifo

发表于:2019-01-08 / 阅读(92) / 评论(0) 分类 Scientific American(五)月

Scientists in Brazil are turning fruit fibers into car parts. At a recent meeting of the American Chemical Society, the researchers described their work in making the next generation of automotive parts made from natural fibers from bananas, pineappl

发表于:2019-01-09 / 阅读(86) / 评论(0) 分类 VOA标准英语2011年(四月)

VOICE ONE: I'm Faith Lapidus. VOICE TWO: And I'm Bob Doughty with EXPLORATIONS in VOA Special English. Today we tell about female scientists around the world and some of the problems they face. (MUSIC) VOICE ONE: Women have been making scientific di

发表于:2019-01-11 / 阅读(134) / 评论(0) 分类 VOA慢速英语2009年(五)月

Turning Cigarette Butts to Batteries 烟头转变成电池 If you see a person carelessly throw a cigarette to the ground, what are you likely to think? That depends. If you hate people throwing things on the ground, you might think, That person shou

发表于:2019-01-12 / 阅读(93) / 评论(0) 分类 2014年VOA慢速英语(九)月

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(153) / 评论(0) 分类 2006年VOA标准英语(十一月)

By Challiss McDonough Cairo, Egypt 25 May 2006 Egyptian pro-reform judges stand in front the Supreme Court house during an anti-government protest in Cairo, Egypt, Thursday, May 25, 2006 At least 300 pro-reform judges in Egypt stood in silent protes

发表于:2019-01-13 / 阅读(126) / 评论(0) 分类 2006年VOA标准英语(五月)

Thailand's Supreme Court has found former prime minister Thaksin Shinawatra guilty of a conflict of interest involving a land deal his wife arranged. As Ron Corben reports from Bangkok, Thai prosecutors say they will ask for Thaksin's extradition fr

发表于:2019-01-13 / 阅读(92) / 评论(0) 分类 VOA标准英语2008年(十月)

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(80) / 评论(0) 分类 VOA标准英语2010年(五)月

On the day South Korea formally bid farewell to its former president, the country's current president held a groundbreaking meeting with a team of high-level North Korean envoys visiting to pay respects. A vehicle putting up a portrait of late forme

发表于:2019-01-14 / 阅读(84) / 评论(0) 分类 VOA标准英语2009年(八月)

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(146) / 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(102) / 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(87) / 评论(0) 分类 英语情景对话-健康

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(55) / 评论(0) 分类 VOA标准英语2010年(五)月

台湾籍旅美老师今天交给我们的句子是: It's not rocket science: Focus on lean protein, healthy fats and non-processed, unrefined carbohydrates such as vegetables, beans, whole grains and fruit. 这不难懂:多摄取低脂肉类、健

发表于:2019-02-22 / 阅读(85) / 评论(0) 分类 留美老师带你每日说英文
学英语单词
agreed date
an even chance
Antarctic Intermediate Water
anti-noise microphone
antitoxines
arrangement of names
articulated-rotor
axial (flow) fan
Batoka Gorge
bibliomaniacs
blood vessels of tooth
Borgesian library
capacitive window
cassone
charge-injection device
chisel cutter link
conjugate bi-component filament
coproducing
credit commitment
Croatia
delivery schedule
diplogyniid
electronic deflection
endopinacocyte
Engey
errrr
fecundating
Ferrel cell
flow of control model
foraminifera identification
fork node
frondescent cast
geochelone elephantopus
greycoat
halimodendrons
heptaselenides
house-party
hydrogen revivification
Ice-break
in line
jet atomic
lapis imperialis
latitudes
Leucarsone
lick my lips
life line throwing gun
linear time-varying network
location-finding
luminance nonlinearity
merchandising enterprising
methylene-dioxybenzene
mickey mantles
misenus
multiplex winding
narrow fabric loom
nonmonotonic function
normal trichromatism
ouseleys
overpolluted
oxyhornblende (basaltic hornblende)
oxymalonic acid
parallel test reliability
pleuridium julaceum besch.
plot against
Poly-beta-glucosaminidase
polyester-glassfibre sheet
Progressive-Conservative Party
pure quaternion
quentum equivalent
radiocar
rate range
redefine
reimmersing
rubberlike solid
Sama Is.
separate platform
settle on sth
sintered gas sensor
snoging
sound design
southern live oaks
spectrometric
staphyleas
start up in
sun-dust
supercommentary
superlayer
Taenia multiceps
through diode
to show up
to the last degree
torque control travel
tp'ed
trailing plant
transonic stream tube
unblocking
variable voltage operation of induction motor
view of an inquest
WCPMR
winch end whip
witherings
zero-emissions