还原胺化[作用], 还元加胺基作用

(SOUNDBITE OF MUSIC) RACHEL MARTIN, HOST: It's Friday and time for StoryCorps. Today, the launch of a new project - it is called One Small Step. And it's an effort to bring together Americans with differing political views. After the 2016 election, J

发表于:2018-12-02 / 阅读(192) / 评论(0) 分类 2018年NPR美国国家公共电台9月

[00:03.89]CONVERSATION 1 [00:08.86]TELL ME ABOUT YOUR FAMILY [00:13.22]Announcer:National Flight 294 to Miami is delayed due to severe weather conditions. [00:22.88]Please stand by or additional information. [00:27.87]Maria: Oh no! I hate these long

发表于:2018-12-02 / 阅读(145) / 评论(0) 分类 新英语交谈注释版

[00:04.18]CONVERSATION 2 [00:09.46]COULD I HAVE YOUR NAME. PLEASE? [00:13.22]Officer: Yes. can I help you? [00:17.97]Ms. Paine: I'd like to open a savings account. [00:22.05]Officer: Certainly. First we'll have to fill out a few forms. [00:27.19]Coul

发表于:2018-12-02 / 阅读(237) / 评论(0) 分类 新英语交谈注释版

[00:04.41]CONVERSATION 1 [00:09.38]DO YOU KNOW WHERE IT IS? [00:13.92]Michelle: What are you doing? [00:18.49]Dominic: I'm cooking dinner tonight. [00:22.05]Michelle: That's great. Thank you. What are you making? [00:27.51]Dominic: A surprise. By the

发表于:2018-12-02 / 阅读(257) / 评论(0) 分类 新英语交谈注释版

[00:04.49]CONVERSATION 2 [00:09.35]WHAT DOES IT LOOK LIKE? [00:13.30]Luis: Teresa? ... I can't find the what-do-you-call-it. [00:20.66]Teresa: What can't you find? [00:24.50]Luis: You know. The thing. [00:28.26]Teresa: What thing? [00:31.50]Luis: Oh,

发表于:2018-12-02 / 阅读(261) / 评论(0) 分类 新英语交谈注释版

[00:02.98]CONVERSATION 1 [00:08.25]COULD YOU HELP ME? [00:11.62]Clerk: Hi. Can I help you with something? [00:18.29]Paulina: Yes, please. We're looking for the men's department. [00:23.33]Clerk: It's right over there, by the escalator. [00:27.69]Dieg

发表于:2018-12-02 / 阅读(233) / 评论(0) 分类 新英语交谈注释版

10 Asking for Information About a Coworker GLOSSARY lowdown the interesting, possibly secret information about someone orsomething * When I asked Eiko for the lowdown on the business deal, she refused to tell meanything. to fill (someone) in to give

发表于:2018-12-03 / 阅读(184) / 评论(0) 分类 2011年ESL之商务英语

ESL Podcast 328 Dishonesty at Work GLOSSARY to cook the books to change written numbers illegally, especially financial information, so that they are no longer true* Pilar lost her job when the company found out that she had been cooking the books fo

发表于:2018-12-03 / 阅读(150) / 评论(0) 分类 2007年ESL之商务英语

THIS IS AMERICA - Nell Freudenberger on Her Book 'The Newlyweds'; Pioneer Music From the 'Little House' Series SHIRLEY GRIFFITH: Welcome to THIS IS AMERICA in VOA Special English. I'm Shirley Griffith. CHRISTOPHER CRUISE: And I'm Christopher Cruise.

发表于:2018-12-07 / 阅读(138) / 评论(0) 分类 2012年VOA慢速英语(八)月

Be the Future We are reading the first verse of the first chapter of a book whose page are infinite... I do not who wrote those words,but I allways likes them as a reminder that the future van be anything we want to take it.We can take the mysteriou

发表于:2018-12-18 / 阅读(176) / 评论(0) 分类 白领英语晨读

Amina: Whats the lowdown on the new guy? Earl: Which new guy? Amina: You know, the cute one. Fill me in. Is he single? Earl: I dont know. I have no idea. Amina: Youre working with him side-by-side and you havent gleaned any personal information about

发表于:2019-01-06 / 阅读(112) / 评论(0) 分类 地道美语播客

Supporters of victims of world's worst industrial disaster, which happened 25 years ago this week, are releasing new scientific studies claiming a continuing environmental disaster in the central Indian city, Bhopal. Steve Herman | New Delhi 30 Novem

发表于:2019-01-09 / 阅读(154) / 评论(0) 分类 VOA标准英语2009年(十二月)

Commercial fishing ban doesn't stop New Orleans from throwing oyster festival David Weinberg | New Orleans, Louisiana 15 June 2010 Oyster fisherman Tracy Collins shucks an oyster on Caminada Bay in Louisiana. It is a nearly cloudless early June morni

发表于:2019-01-13 / 阅读(150) / 评论(0) 分类 VOA标准英语2010年(六)月

Legacy of Suspicion, Betrayal Haunts Libya One of the defining characteristics of Libyan leader Moammar Gadhafi's era has been the crafty network of secret police and government informers. Decades of living with the fear of betrayal have taken their

发表于:2019-01-14 / 阅读(160) / 评论(0) 分类 VOA标准英语2011年(四月)

Dakar School Integrates Special Needs Children Into Regular Classes In Dakar, a school exchange program attempts to break the stigma associated with mental deficiencies by bridging the gap between regular and special needs students. On a Thursday mor

发表于:2019-01-14 / 阅读(160) / 评论(0) 分类 VOA标准英语2012年(二月)

如今,各式各样的电子游戏特别令孩子们着迷,不少孩子也因此而戴上了近视眼镜,这不,雪莉今天就带着视力下降的丹尼尔来检查视力了。结果怎样呢? Listen Read Learn Clerk: Good afternoon, Ma'am. What can I do for you? Shirley: Good afternoon. My son's sight s

发表于:2019-01-21 / 阅读(214) / 评论(0) 分类 英语口语大赢家

Amina: Have you heard the latest news? Shane: No, what is it? Amina: Charlie was fired last Friday after the company found out that he had been cooking the books for over six months and had embezzled more than $50,000. Shane: Charlie? I dont believe

发表于:2019-02-06 / 阅读(137) / 评论(0) 分类 地道美语播客

LOS ANGELES, Feb. 24 (Xinhua) -- Brave won the Oscar Award of Animated Feature Film Sunday night at the 85th Academy Awards Ceremony. The animated film of Mark Andrews and Brenda Chapman featured a high-spirited Scottish princess named Merida who res

发表于:2019-02-08 / 阅读(398) / 评论(0) 分类 英语新闻

2010年世界官方主题曲:Waka Waka(非洲时刻)(Shakira) You're a good soldier 你是一个好士兵 Choosing your battles 在你选择的战场 Pick yourself up 站起来 And dust yourself off 掸净灰尘 And back in the saddle 重新上路

发表于:2019-02-17 / 阅读(157) / 评论(0) 分类 流行英文歌曲

听歌学英语:Waka Waka 2010年南非世界杯主题曲 Waka Waka (This Time For Africa) 哇咔哇咔(非洲时刻) 歌手:Shakira You're a good soldier Choosing your battles Pick yourself up And dust yourself off And back in the saddle You'r

发表于:2019-02-18 / 阅读(127) / 评论(0) 分类 听歌学英语
学英语单词
adult body
afield
anisops kuroiwae
antivaccinists
apparent charge
arteriae genu superior lateralis
attainable state
axis of collimation
b-integral cancellation
Baalcad
balaclava-day
barbage shoot
basidiospore
biological production
bursae infrapatellaris subcutanea
Burujird
Cacnipa I.
canonical hyperbolic differential equation
cinchona cordifolias
clay mineral analysis
Collins, Edward Trowbridge
consonant chord
Coronel Brandsen
crown of a tank
CVDW
deflocculator
electric air oscillator
electronic cottages
emergency route release
exterior angle
facsimile signal
fast ion conducting material
filmable
flat handle drum
fusion-cast fluoromica
germanides
giganteol
glycophyte glykiphyte
halophilus
high lift helicopter
high-pressure heating
hydrocarbon synthesis
idiolalias
klermen
Lablab purpureus
Landsraad
liquid-core optical fibre
main coolant system
markstones
memory in metal
mercury thermoregulator
microsome fraction
monetary items
motor type insulator
mouth mucous membrane
moving away from
mycobacterium leproemurium
neoscona vigilans
Nepeta dentata
neutron guide tube
number of days
Nun, R.
oil-resisitant polymer
one-step curing
optical spectrometer
orizon
orthogonal atomic orbital
Parafossarulus
periodic check
pressation
prevagely
psoitis
range of working temperature
reap as what one has sown
relation of equality
reserve parts
reverse-pumped Raman laser
salnikov
salt cedars
sanguinolaria diphos
scleritomes
selzaete (zelzate)
set-stock
shut-down pressure
sickle-shaped oil passage
split rivet
spray penetration ratio
spruce turpentine
strabile
straight bed lathe
subsurface drainage basin
tacmas
to-wond
trashing
tritium production by cosmic rays
Tylophora yunnanensis
ultra high power
unwrought
UPC-E
vinys
WFPMM
xiaofeng powder