音标:['tetrәmә] ;
n. [化]四聚物
词型变化:名词复数形式 : tetramers

发表于:2018-11-29 / 阅读(470) / 评论(0) 分类 迪斯尼儿歌第二集

THIS IS AMERICA -January 21, 2002: Hawaiian Music By Paul Thompson VOICE ONE: The American state of Hawaii is a group of islands in the North Pacific Ocean. Its people, culture and music are different

发表于:2018-12-07 / 阅读(183) / 评论(0) 分类 This is America

THIS IS AMERICA -January 25, 2002: Three Mo' Tenors By Lawan Davis VOICE ONE: Music experts say more people are becoming interested in classical music because it is being presented in new ways by new

发表于:2018-12-07 / 阅读(162) / 评论(0) 分类 This is America

PEOPLE IN AMERICA -April 7, 2002: in-in-the-Face By Paul Thompson VOICE ONE: Now, the VOA Special English program, PEOPLE IN AMERICA. I’m Steve Ember. In the early days of the last century, an Ameri

发表于:2018-12-15 / 阅读(187) / 评论(0) 分类 People in America

This is Scientific American Sixty Seconds Science, I'm Sophie Bushwick, got a minute? When Mexican tetra fish moved into darker caves long ago, they evolved to deal with the dark by becoming albino and going blind. A new research shows that the chang

发表于:2018-12-24 / 阅读(186) / 评论(0) 分类 Scientific American(一)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(217) / 评论(0) 分类 国家地理2007年

It is early evening and soon this amphitheater will be standing room only for the evening show. Bats, hundreds of thousands of Mexican Free-tailed bats, are hungry tornado that swirls out of New Mexico's Carlsbad Caverns each night in search of food.

发表于:2018-12-30 / 阅读(236) / 评论(0) 分类 国家地理2007年

Todd: Hey, Keri. Let's talk about summer. Kerri: OK. Todd: Do you like summer? Kerri: Yes, I do. Todd: OK. Why? Kerri: Because it's warm, and blue skies, and fluffy white clouds. Todd: That's true. Now, you grew up in Southern California. What was it

发表于:2019-01-02 / 阅读(144) / 评论(0) 分类 英语访谈对话

THIS IS AMERICA - November 25, 2002: Thanksgiving By Jerilyn Watson VOICE ONE: It is one of America’s most popular holidays. It is a day for expressing thanks for the good things in life, especially

发表于:2019-01-02 / 阅读(290) / 评论(0) 分类 This is America

THIS IS AMERICA -December 9, 2002: Songs About American Cities By Shelley Gollust (Theme) VOICE 1: Most Americans have a city they like best. It may be the city they were born in. It may be the city t

发表于:2019-01-02 / 阅读(188) / 评论(0) 分类 This is America

T Tanshinone IIA 丹参酮IIA Tanshinone I 丹参酮I Tanshinone IIB 丹参酮IIB Taraxasterol 蒲公英甾醇 Taraxerol 蒲公英赛醇 Tauro ursodesoxy cholic acid 牛磺熊去氧胆酸 Taxifolin 花旗

发表于:2019-01-03 / 阅读(158) / 评论(0) 分类 医务英语

johnJacobjingleheimerSchmid t JohnJacobjingleheimerSchmidt, Thatsmyname,too! WheneverIgoout, Thepeoplealwaysshout, johnJacobjingleheimerSchmidt! Da,da,da,da 提示: 重复四次,主歌部分越来越小声,但 da 部分越来越大声

发表于:2019-01-10 / 阅读(242) / 评论(0) 分类 Wee Sing In The Car

A: Can you tell me where it hurts? B: I am so glad they called you. It feels like something is really wrong with my stomach! A: Does it hurt when I push here? B: Its mostly on my right side. Right here! A: Have you been feeling this way for awhile? B

发表于:2019-01-15 / 阅读(205) / 评论(0) 分类 英语情景对话-健康

PEOPLE IN AMERICA -June 30, 2002: Lou Gehrig By Jeri Watson ANNCR: Now, the VOA Special English program, PEOPLE IN AMERICA. A North American Major League baseball record was established in Nineteen-Th

发表于:2019-01-25 / 阅读(211) / 评论(0) 分类 People in America

PEOPLE IN AMERICA – August 4, 2002: Ann Landers By Caty Weaver VOICE ONE: I’m Mary Tillotson. VOICE TWO: And I’m Steve Ember with the VOA Special English program PEOPLE IN AMERICA. Today, we tel

发表于:2019-01-30 / 阅读(364) / 评论(0) 分类 People in America

What do the Big Apple and Sin City have in common? According to a recent survey, they're both among the hippest places in the world. In fact, New York City and Las Vegas are the two coolest cities in the US, tied for the No. 1 spot in annual measure

发表于:2019-02-03 / 阅读(198) / 评论(0) 分类 实用英语

夏日的阳光为何总是如此钟爱斯堪迪纳维亚的瑞典?虽然我的地理知道告诉我,瑞典并非我想象中般温暖宜人,但the charade的首张 专辑却将明媚的阳光散落在我的心坎。这样优秀的专辑常常是容易被人遗忘的,我想为自己的twee pop倾向找一个适当 的理由,然而我找到理由总是

发表于:2019-02-05 / 阅读(229) / 评论(0) 分类 音乐咖啡厅

Halloween Comes to AmericaAs European immigrants came to America, they brought their varied Halloween customs with them. Because of the rigid Protestant belief systems that characterized early New England, celebration of Halloween in colonial times w

发表于:2019-02-09 / 阅读(254) / 评论(0) 分类 英美文化

An astronomer used to walk out every night to gaze upon the stars.It happened one night that,as he was wandering in the outskirts of the city,with his whole thoughts rapt up in the skies,he fell into a well.On his holloaing and calling out,

发表于:2019-02-17 / 阅读(217) / 评论(0) 分类 趣味英语

10 Getting The Lead Out 第十章 把铅撵出去 In the late 1940s, a graduate student at the University of Chicago named Clair Patterson (who was, first name notwithstanding, an Iowa farm boy by origin) was using a new method of lead isotope measur

发表于:2019-02-17 / 阅读(194) / 评论(0) 分类 万物简史
学英语单词
acquired astigmatism
Airet
Amroha
anterior tibial nerve
Apascil
Aseneth
auricular complex
autonomous channel
ballast screening machine
bank endorsement
Basilideans
Bellasthman
blue wings
boy-wonder
bromatoxism
bureaucrat
cauchy-reimann's equations
chain axle
cheilocarcinoma
choirbooks
cold-engine sludge
conversion filter for color temperature
cyberlove
decoding table
dehydroxylate
Dianthus elatus
diastasis vertebralis
dichroic filter
difference
discovery days
dressed to the nines
drop crotched
eau de vie de marc
euphuistic
frequency diviation
galactoquin
genus notorniss
genus rynchopss
granular lutein cell
half-note
hartgrave
heteroalkenes
heterogeneous radiation
hoot-collector
horizontal positioning
institutionalizes
inter-cameral
interclass correlation
Landolfi's sign
lead shot for hunting
less-related
linguopapilitis
load change
loom beam
medlarss
method of extrapolation
microeconomic
moon-eyed
Murakami Haruki
neurocytolysin
not guilty by reason of insanity (ngri)
off-centres
order and receiving register
overfrozen
phanerochaete leptoderma
phantom-material
pickup coil
plow groove
political reason
quye
rabbited on
red ocher
retail service association
retro-futuristic
right wing underside
rock of engine
rocket
Sagarmatha (Qomolangma Feng)
search-and-destroy
self-centred
self-enrichment
simu
soul-stirring
sounding of cross section
start stop distortion
superficial distributing cancer of stomach
suppress the evidence
touch cell
turnkey job
unfunky
vaccinum variolae
value of perfect information
venous rete
vesicular breathing
voltage breakdown test
Westoll-line
Yalégo
yatata
yelled at
youch
zeinte