嘧啶胺

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(150) / 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(188) / 评论(0) 分类 2010年VOA慢速英语(十一)月

Egyptian archaeologists have discovered the bottom part of an unknown pyramid in the Sakkara area about 18 miles south of Cairo. NationalGeographic explorer-in-residence Dr. Zahi Hawass, the Secretary General of the Egyptian Supreme Council for Anti

发表于:2018-12-30 / 阅读(151) / 评论(0) 分类 国家地理2008年

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(181) / 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(203) / 评论(0) 分类 2006年VOA标准英语(十一月)

By Scott Stearns White House 21 March 2006 President Bush President Bush says there is more fighting ahead in Iraq, but he is confident U.S. troops will be victorious. Mr. Bush held a White House news

发表于:2019-01-13 / 阅读(202) / 评论(0) 分类 2006年VOA标准英语(三月)

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(138) / 评论(0) 分类 VOA标准英语2010年(五)月

Libyans Optimistic on Democracy, Challenges Loom In the first blush of enthusiasm after the nine-month struggle to oust Moammar Gadhafi, many Libyans are optimistic that the country will be able to move toward democracy with little payback for the ir

发表于:2019-01-13 / 阅读(186) / 评论(0) 分类 VOA标准英语2011年(十一月)

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(184) / 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(145) / 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(148) / 评论(0) 分类 英语情景对话-健康

Egyptian archaeologists have discovered the bottom part of an unknown pyramid in the Sakkara area about 18 miles south of Cairo. National Geographic explorer-in-residence Dr. Zahi Hawass, the Secretary General of the Egyptian Supreme Council for Anti

发表于:2019-01-22 / 阅读(170) / 评论(0) 分类 自然百科2008年

Hi! This is Stever Robbins, host of the Get-it-Done Guys Quick and Dirty Tips to Work Less and Do More. Grammar Girl is working on her book this week and since I do a lot of public speaking, she asked me to talk about how to use similes and metaphors

发表于:2019-01-30 / 阅读(199) / 评论(0) 分类 英语语法 Grammar Girl

By Melinda Smith Washington, DC 12 January 2007 watch Organ Donor report Human tissue for transplant being delivered to a hospital The traffic in human organs for transplantation is a volatile issue in the medical community and among desperately ill

发表于:2019-02-02 / 阅读(197) / 评论(0) 分类 2007年VOA标准英语(一月)

今天我们要学的词是,limited。 Limited, 是有限的意思。拉美裔移民在维吉尼亚州的王子威廉姆斯县罢工一天,The one-day work boycott appeared to have a limited effect on businesses in the county. 但似乎并没有对

发表于:2019-02-03 / 阅读(132) / 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(106) / 评论(0) 分类 VOA标准英语2010年(五)月

今天我们要学的词是timing。 Timing, 时机。中文里说,赶得早不如赶得巧。英文里说, Timing is everything. 时机决定一切。The timing of his marriage proposal was perfect, 他求婚的时机恰到好处。 目前就业市场

发表于:2019-02-07 / 阅读(122) / 评论(0) 分类 英语单词荟萃

今天我们要学的词是optimistic。 Optimistic乐观的。美国第二季度国内生产总值公布后,President Barack Obama said he is 'guardedly optimistic' about the direction of the U.S. economy, 美国总统奥巴马表示,他对美国经

发表于:2019-02-18 / 阅读(114) / 评论(0) 分类 英语单词荟萃
学英语单词
a rude awakening
aconitum fischeri peichb
Adonis
aggregate production planning
arc-welding process
atomic spacing
Billing period
bitchfit
bluff body burner
bos sauveli
Bovrup
calbert
cavy
cechite
chemorphosis
circuit noise meter
citrange trees
coaching job
commutative relation
conference houses
cultural production
curb kerb
D1959
distraint
draisine
duthiella flaccida media
easy monetary position
eichhornia spesiosas
Epira
eye-legible copy
eyland
famulist
finance corporation
Flechsig's treatment
fluochrome
fluted wheel drill
full-hydraulic steering gear
germogen
goat god
heavily doped diode
hegumen
HIVD
hothouses
house brand
Indexed Annuity
inguinal canal
integer quantum hall effect
intermediate rafter
internal barrier
james buchanans
leaf-footed bugs
left-hand table
Liddel Water
Loxicha
lubricating oil metal test
martial-art
meridian projection
Michaeling
moderate wind
mono-spaced letters
morphisms
MSIE
nonconformist register
Nyambe
obidoxime
object verbs
obscene publication
obscurement
oby
officialate
On-Line Communication Driver
orthovanadates
Osbeckia pulchra
Paul Klee
phaneromere
philtrum (philthrum)
physical sequence
polybractea
pot valve
procedural defect
radafaxine
radio-frequency protection ratio
run in test
service information analysis
side car frame angle plate
spiraea mongolica maxim.
static nozzle tester
steat-
subsidy pro rats
symphyllia agaricia
Tantalum(v)methoxide
tardiest
tenoning and through-mortising machine
Titan's atmosphere
topographic inversion
transfer data record
two-lens objective
undescended testicle
urban energy system
V-butt weld
warming drawer
wear-resistant surface