Merrifield合成法[Merrifield于1963 年提出而至今仍广泛采用的固相多肽合成方案]

发表于:2018-11-27 / 阅读(712) / 评论(0) 分类 赖世雄教你学唱歌

发表于:2018-11-29 / 阅读(580) / 评论(0) 分类 迪斯尼儿歌第二集

本讲为 2006 年新的教学内容,请对照教材、练习册、语法书听录音! Unit 5 Text A The New Music 重点词语 distinct a. 独特的;明显的 The two concepts are quite distinc

发表于:2018-12-01 / 阅读(331) / 评论(0) 分类 自考英语(二)60讲

Todd: Oh, hey, Keri! You cook, right! You're a pretty good cook. Keri: I'm OK. Todd: OK. I want to make an omelet, so actually this is really silly, I've never made one before. How do you make an omelet? Keri: OK, Well, I can teach you how I make the

发表于:2018-12-02 / 阅读(324) / 评论(0) 分类 原版英语对话1000个

you want to be No. 1 in this field,you must work hard.如果你想在这领域里成为最棒的那个,你就得努力。 field有田地的意思,但上句中的field是指领域。 He is a famous professor in this field.他是这个领域里的一位有名的教授。 Many farmers are working in the

发表于:2018-12-04 / 阅读(278) / 评论(0) 分类 蒋健棠一词多意

Sorry,there is not text temporarily, Please help tingroom to look for it! 如果您能找到更好的听力原文,请发贴到 听力原文收集区 ,您将会获得10到30积分的奖励! Thank you!

发表于:2018-12-30 / 阅读(295) / 评论(0) 分类 单词解析速记

今天我们要学的词组是field。 Field多指空旷的地方。比如原野, 旷野, 还有油田 - oil field, 战场 - battlefield,等等。作为动词, field有回答、答复的意思。 比如,白宫发言人常常要回答一些很棘

发表于:2018-12-30 / 阅读(394) / 评论(0) 分类 英语每日一词

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(305) / 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(318) / 评论(0) 分类 国家地理2007年

Cotton Field When I was a little bitty baby, My mama would rock me in the cradle, In them old cotton field back home. It was down in Louisiana, Just about a mile from Texarkana, In them old cotton field back home. And when them cotton ball get rotten

发表于:2019-01-03 / 阅读(553) / 评论(0) 分类 听英文歌曲解析歌词

发表于:2019-01-04 / 阅读(380) / 评论(0) 分类 英文歌曲第四辑

By David Gollust State Department 08 March 2007 Secretary of State Condoleezza Rice's top Iraqi affairs adviser says U.S. diplomats are prepared to raise concerns over Iraq directly with Iranian and Syrian counterparts at a Baghdad conference Saturda

发表于:2019-01-07 / 阅读(244) / 评论(0) 分类 2007年VOA标准英语(三月)

UNIT SIX A field trip [00:07.34]Let's chant [00:09.82]Let's go on a field trip.There's so much to do. [00:17.21]We can collect leaves,and take picctures,too.We can watch the ants and see what they eat [00:24.92]Let's go on a field trip.It's quite a t

发表于:2019-01-09 / 阅读(442) / 评论(0) 分类 人教版小学英语五年级

VOICE ONE: Welcome to THIS IS AMERICA in VOA Special English. I'm Steve Ember. VOICE TWO: And I'm Shirley Griffith. March seventeenth is Saint Patrick's Day, a time to celebrate Irish culture. The Census Bureau says that in two thousand seven, thirt

发表于:2019-01-11 / 阅读(247) / 评论(0) 分类 VOA慢速英语2009年(三)月

By Franz Wild Abidjan 06 July 2006 People from several sides of Ivory Coast's conflict are disappointed at the results of a meeting between the government and rebels that was chaired by U.N. Secretary General Kofi Annan. Franz Wild reports for VOA f

发表于:2019-01-12 / 阅读(319) / 评论(0) 分类 2006年VOA标准英语(七月)

今天要学的习惯用语都包括这个关键词: field。 Field这个词一个普通的意思是野外或田野。今天要学的第一个习惯用语是: have a field day。刚才说过field最普通的意思是野外,所以a field day早在十

发表于:2019-01-14 / 阅读(402) / 评论(0) 分类 美国习惯用语

A: It has certainly been a long time since I saw you last. B: It has been a long time since I last saw you. A: Can you remember when we last saw each other? B: It was about two years ago that we saw each other. A: What have you been up to for the pas

发表于:2019-01-20 / 阅读(211) / 评论(0) 分类 社交英语

A: Hello, it's been a long time since I have seen you. B: It is true that I have not seen you in a while. A: Exactly how long do you think that it has been? B: I believe that it has been two years since we last saw each other. A: So where have you be

发表于:2019-01-20 / 阅读(181) / 评论(0) 分类 社交英语

Well, I'm sorry Walter couldn't join us. 沃尔特来不了真是遗憾 Oh, yes, well, the Australian trip came up suddenly. 是啊,澳大利亚之旅是突然定下的 He sends his apologies. 他让我代他致歉 Where's Oliver? He's not out of t

发表于:2019-01-29 / 阅读(235) / 评论(0) 分类 绿箭侠第一季

Lucy: Hey Jeff, have you met my friend? Jeff: No, I don't think I have. Lucy: Well, this is my oldest and best friend, Marlene. She's visiting from out of town. Jeff: Hi, I'm Jeff. Marlene: Hi, it's nice meeting you. Jeff: How long do you plan to be

发表于:2019-02-08 / 阅读(180) / 评论(0) 分类 地道美语播客
学英语单词
acosmists
alsex
anemopters
ascertaineth
at a great cost
austenitise
balanced welding
Batey San José
beggiatoa mirabilis
bicchulite
bid-offer spread
budgetary price
business process reengineering
calomel half cell
Cesuras
Co-Transporters
collision fequency
come-and-goes
contagion theory
credit receiver
cyberhelping
decolonise
deep oil
dynamic roughness
eastern equine encephalomyelitis virus
eluder
engine friction
evaporation from land surface
Falconbridge process
feel at home in
Finkler-Prior bacillus
fluctuation-dissipation theorem
freight car operation efficiency
Galium kamtschaticum
gas-mantle
gauge number
give sth away
glass pressing machine
gramgingival
grate-fired furnace
greatorex
gweilos
Hadrian's Villa
haemorrhoidalis
Harrisburg
heat outlet
hot-patching
inertial measurement unit
infonesia
inhibit reclosing
kadish
keralites
knowledge-level systems
Kuznechnoye
laparotomy sponge
legislative organ
malfeasance
matrix row
mejicanos
nonproductive labor
nonthrombolytic
occupational safety and health administration (osha)
oceas
optical transform
overcoats
paranoidism
perpendicular head
pollution of sea by oil
postinfectious encephalomyelitis
primal system
proestrogen
raftyr
recessor
relay pole changer
salic tetrahedron
school administrator
schwerve
seal air fan
seaside scrub oak
seed presoaking
semb
sempect
single stage evaporator
slash line
smell a smell of
soaping machine
spoiled product
stablest
stratified medium
suerweier refrigerator
surmounted vault
T.p.t.g.
time inversion invariance
Tokara Islands
Tonelagee
Tsiolkovsky, Konstantin Eduardovich
unaffianced
upper bracket-arm
versailless
virtual money
zero-energy reactor
Zhongfeng