[化] 氯醋甲胆碱
[医] 氯化乙酰甲胆硷

New Solar Cell Minimizes Environmental Risks in Manufacturing Process 新的太阳能电池减少生产中对环境的危害 Scientists in England report the development of a new solar cell that minimizes environmental risks in the manufacturing proc

发表于:2018-12-08 / 阅读(157) / 评论(0) 分类 VOA标准英语2014年(六月)

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(171) / 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(204) / 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(112) / 评论(0) 分类 2016年NPR美国国家公共电台11月

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(159) / 评论(0) 分类 农业与发展

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(201) / 评论(0) 分类 VOA慢速英语2009年(五)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(224) / 评论(0) 分类 2006年VOA标准英语(十一月)

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(156) / 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(156) / 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(143) / 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(204) / 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(164) / 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(168) / 评论(0) 分类 英语情景对话-健康

DAVID GREENE, HOST: Families across the United States are fighting with the federal government over a deadly chemical. Dozens of people have died from inhaling methylene chloride. This is an ingredient in common paint removers. NPR's Rebecca Hersher

发表于:2019-01-17 / 阅读(155) / 评论(0) 分类 2018年NPR美国国家公共电台11月

Every winter some twenty million tons of salt are dumped on America's road.That sodium chloride melts the ice, so it prevents its formatin, helping to prevent accidents. But road salt has its downside. This is not very economical because salt is main

发表于:2019-01-20 / 阅读(212) / 评论(0) 分类 2016年Scientific American(一)月

This week on Why Tell Me Why, we are finding out why the oceans are so salty. So the oceans are salty because the oceans have been around, lets say, for over five hundred million years. And over the course of time what we found out is that weve alway

发表于:2019-01-22 / 阅读(149) / 评论(0) 分类 自然百科2009年

Tony: Who did you invite over for dinner Saturday? Carmela: I invited Keith, Sung, Stephanie, and Luis. Tony: You didnt! Carmela: I did. Why? Tony: Youre going to have a hard time cooking for them. Keith is a vegan and only eats food thats organic. S

发表于:2019-02-04 / 阅读(143) / 评论(0) 分类 地道美语播客

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(126) / 评论(0) 分类 VOA标准英语2010年(五)月

First off, I'll mention that at the bottom of the sea there exist veins of zinc, iron, silver, and gold whose mining would quite certainly be feasible. 首先,我对您说,海底有锌、铁、银、金等矿藏,开发并不是不可能的事。

发表于:2019-02-25 / 阅读(247) / 评论(0) 分类 《海底两万里》中英双语有声读物
学英语单词
academic seat
amphoteric ion-exchangeresin
android pelvis
antenna tuning unit
Aralia spinosa L
Arlyqbalyq
Associate Member of the Institute of Marine Engineers
automatic Orsat
bag hose
boil over
braided metallic flexible pipe
Bulbophyllum aureolabellum
cage used for layers
calps
ceive
centerlessness
chloris virgata sw.
common winterberry holly
components of landscape
congruent line
couplets
data to leaf analysis
dead weight capacity
deep circumflex iliac vein
direct debit daily settlement system
diurnalness
diver mask
do obeisance to
Dysodontia
earth clamp
echinating
Eritrichium rupestre
euro-nationalisms
exclusory
facepic
fatihahs
felt conditioner
fire-tight
fish grader
gas-to-gas heat exchanger
gelatinousness
get-tough policy
gold panners
hedge-cutters
ingrafters
inquiry station
irpcs
isocyanurate
Labyrin
Lamarck's theory
laws
linear thickness variation (ltv)
Manzonian
Middle Ordovician Series
mirthfull
narrow escape
non-linear resistor type arrester
nongang
nonsliding
normally open rate
optical Doppler effect
overdiagnose
oxalene
parlor palm
peptophilic
peracted
persistent organic pollutants
photomicroscopic apparatus
phylum Annelida
physical causes
phytoremediation
piezoremanent magnetization
piling wall
pillowphone
profit of trade
propshaft
psychogenic polydipsia
radial inward turbine
raised a hornets nest
reception of double polarization
respond to the helm
rock-likest
savic
saw setting machine
Segmentum anterius
Shchigry
sheriffed
shoulder guider pin
sievers
sitio-
skewed frequency curve
symmetry of breaking
The Civil Procedure Law of the People's Republic of China
the spirit of the age
thp
three-four
throughput rate
tipula arisanensis
to-punish
treasury bills
venerance
zooperal