聚马来乙烯,马来酐乙烯聚合物

In all societies, male and female roles are regarded differently. The mother role is universally carried out by women, which is biologically based. Roles defined by sex also characterize the economic

发表于:2018-12-07 / 阅读(167) / 评论(0) 分类 老友记精校版第1季

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(208) / 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(238) / 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(144) / 评论(0) 分类 2016年NPR美国国家公共电台11月

This monument to Islamic heritage is getting a new lease on life. The Bou Inania Medersa or Koranic school was once an architectural jewel of the medieval city of Fes. But centuries of neglect have taken a toll. Restorers are cleaning layers of white

发表于:2018-12-30 / 阅读(249) / 评论(0) 分类 国家地理2007年

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(189) / 评论(0) 分类 农业与发展

When I was 14, I hoped that one day I would have a girlfriend. When I was 16 I got a girlfriend, but there was no passion. So I decided I needed a passionate girl with a zest (热情)for life. In college I dated a passionate girl, but she was too

发表于:2019-01-09 / 阅读(181) / 评论(0) 分类 趣味英语

By Luis Ramirez Bangkok 06 February 2008 Thailand's new cabinet has been approved, putting in place the first elected government since the military ousted former Prime Minister Thaksin Shinawatra. As VOA's Luis Ramirez reports from Bangkok, the new c

发表于:2019-01-10 / 阅读(284) / 评论(0) 分类 VOA常速英语2008年(二月)

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(254) / 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(252) / 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(232) / 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(189) / 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(194) / 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(175) / 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(236) / 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(197) / 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(200) / 评论(0) 分类 英语情景对话-健康

By Brian Padden Salt Lake City, Utah 03 February 2006 watch Paralympics report The upcoming Olympic Winter Games in Turin, Italy will showcase the best athletes in the world competing at the highest l

发表于:2019-01-31 / 阅读(245) / 评论(0) 分类 2006年VOA标准英语(二月)

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(149) / 评论(0) 分类 VOA标准英语2010年(五)月
学英语单词
-rices
accessory plume
Acervulina
acute hemorrhagic conjunctivitis
Alazanite
ancient world
anti-plaques
antimonous, antimonious
Archaeozoon
Ardois system
auto truck beam
available funds
basic metal metallurgy
brachychiton populneuss
caval fold
centismal
champa
Chaozhou Township
clear derrick height
clockwise-cycling
complaints management
comsat
curve of dynamical stability on cushion
de-escalate
death sentence with reprieve
dectylar
discredulous
dramatic music
E center
eco-bag
endocarditis in sipiens
ERW steel pipe
esopathy
exchange dial
exptended sample
file finishing
fine-grained carbon
first computer inquiry
fluosolids
focus lens region
folding test
gear lapped against a mate
genus Clintonia
gonadal stromal tumor of ovary
got him
gyrases
haemochromatoses
hemlock parsley
Homeworth
hyperthreading
incrystate
intempestuous
isogor map
kiotina collaris
lartingtons
length of jump
line recorder mass spectrometer
local-relief method
lucid interval
macrocalyx
monoalphabetic cipher
multiple length numeral
multiple-instruction stream single-data stream
negative mutant
onega
overfronted
overlined
pecten ossispubis
performance evaluation simulation
permanent benchmark
Phainipepla
pipe expanding
pituitary diverticula
plurilocular sporangium
portmanteau word
ppia
pseudomonas delphinii(e.f.smith)staev
quota level
reconfiguring
recreation areas
rhodopid
Sarik
scythes
seaward channel
smsascshsisnses-s
soja (bean)
spare sack
spherical shape irdome
strophulus infantum
tone soft grey
tree planting auger
trend model
tricholoma pessundatums
Unalakleet Indian Reservation
unvanquisht
variable bit rate
volume-surface mean diameter
weakly cyclic matrix
well point system
wieberg process
work stress
xiphoid cartilage (or ensiform cartilage)