奥昔香豆素

发表于:2018-12-03 / 阅读(119) / 评论(0) 分类 阶梯听力天天练

Now, coumarin is a very common thing, a material, in fragrance which is derived from a bean that comes from South America. 香豆素是香水中一个十分平常的原料,从来自南美的豆子中提炼出来的。 And it is the classic syntheti

发表于:2018-12-19 / 阅读(70) / 评论(0) 分类 TED演讲教育篇

And every single part of this mechanism is actually plausible in biology. 实际上,这个机制的每一个步骤在生物领域中都是可行的。 In other words, I've taken off-the-shelf components, and I've made a spectroscope. 换句话讲,我

发表于:2018-12-19 / 阅读(46) / 评论(0) 分类 TED演讲教育篇

赞助商对FIFA腐败表关注但不撤广告 Today, when news of a sports scandal breaks, it becomes a problem for everyone involved, including corporate sponsors and advertisers. They can pay a heavy price for their actions or inaction. 今天,当

发表于:2018-12-19 / 阅读(75) / 评论(0) 分类 VOA双语新闻 2015年7月

86 去痛片须慎用 DATE=8-16-01 TITLE=SCIENCE REPORT - OxyContin Warning BYLINE=Jerilyn Watson (Start at 1'02

发表于:2019-01-02 / 阅读(123) / 评论(0) 分类 科技之光

Broadcast: Mar 27,2003 The first medals of the 2003 World Figure Skating Championships were awarded Wednesday night here in the nation's capital. Chinese skaters Shen Xue and Zhao Hongbo successfully

发表于:2019-01-03 / 阅读(95) / 评论(0) 分类 VOA2003(上)-体育专递

Silybin 水飞蓟宾 Silymarin 水飞蓟素 Silydianin 水飞蓟宁 Sinomenine 盐酸青藤碱 Sinoside 辛诺甙 Skimmianine 茵芋碱 Smiglanin 光叶菝葜甙 Smilagenin 异菝葜皂甙 Solanidine 茄

发表于:2019-01-03 / 阅读(74) / 评论(0) 分类 医务英语

RIO DE JANEIRO, March 18 (Xinhua) -- Retired soccer star Ronaldo on Sunday revealed his aspirations of entering the world of politics and becoming the next president of the Brazilian Confederation of Soccer (CBF). With the sudden and unexpected resig

发表于:2019-01-07 / 阅读(77) / 评论(0) 分类 英语新闻

DAVID GREENE, HOST: And it's David here with an invite. Come with me up a winding hill in LA to a house high above where the ocean meets the mountains. A woman is standing outside the gate. It's publicist Yvette Shearer. And she's with the man we are

发表于:2019-01-16 / 阅读(115) / 评论(0) 分类 2017年NPR美国国家公共电台3月

Hammered: Pounding Out The Excess In Mahler's Sixth Symphony play pause stop mute unmute max volume 00:0007:37repeat repeat off Update Required To play the media you will need to either update your browser to a recent version or update your Flash plu

发表于:2019-01-16 / 阅读(102) / 评论(0) 分类 2016年NPR美国国家公共电台11月

Science and Technology Pollution in the Himalayas Time to call the sweep? 科技 喜马拉雅山受到了污染 是时候呼吁清扫了吗? Soot gets everywhere. Even into the world's highest mountains 到处都弥漫着烟灰,甚至蔓延到了世

发表于:2019-01-26 / 阅读(233) / 评论(0) 分类 经济学人科技系列

Beginners. Well, it's time for a new dog. For the past year, we have been a one dog family. But, you know, our dog, Rosie, is a wildly social lady. She goes crazy any time she meets another dog, a cat, a mouse, or a bird, let alone a human. But, the

发表于:2019-01-28 / 阅读(87) / 评论(0) 分类 英语博客 A cup of English

By Melinda Smith Washington 14 May 2007 Top executives of the company that makes a powerful painkiller called Oxycontin admitted this week they lied about the drug's addictive qualities in order to boost sales. As VOA's Melinda Smith reports, worldwi

发表于:2019-02-03 / 阅读(142) / 评论(0) 分类 2007年VOA标准英语(五月)

Beginners. Today, Foxy had an appointment with the vet for vaccinations and a general check-up. She is about eight months old, so she needed her second set of vaccinations. The vet also needed to see if her growth was normal and healthy. I put her in

发表于:2019-02-07 / 阅读(112) / 评论(0) 分类 英语博客 A cup of English

BEIJING, Oct. 8 (Xinhua) -- Czech third seed Tomas Berdych muscled out top seed Jo-Wilfried Tsonga of France here on Saturday to reach the final of the 2.1-million-U.S.-dollar China Open ATP tournament, while Poland's Agnieszka Radwanska saw off Ital

发表于:2019-02-07 / 阅读(144) / 评论(0) 分类 英语新闻

Lene Marin的声音属于那种很舒服很随意,表面平淡但内里蕴含着百转千回,令人百听不厌。 从那首著名的A Place Nearby开始,Lene的歌总在最不经意的地方给人惊喜。 Still Here Lene Marin I just can't he

发表于:2019-02-08 / 阅读(92) / 评论(0) 分类 好听的英文歌曲

Brazil unlikely to hire foreign coach, says CBF

发表于:2019-02-18 / 阅读(87) / 评论(0) 分类 英语新闻

小野丽莎 日本首席 Bossa Nova 女王,小野丽莎那充满阳光气息的轻快乐章,比起巴西当地歌手也丝毫不显逊色。因此不仅在日本,小野丽莎的音乐在全世界都受到肯定,不论是纽约或巴西的演唱会都有盛大的回响。甚至得到 Bossa Nova 之神 Antonio Carlos Jobim 的青睐,双方

发表于:2019-02-18 / 阅读(118) / 评论(0) 分类 音乐咖啡厅

Lene Marin的声音属于那种很舒服很随意,表面平淡但内里蕴含着百转千回,令人百听不厌。 新的一天开始了,告诉自己,今天是我的lucky day! My Lucky Day Lene Marin Tell me what you saw that was so bad Tel

发表于:2019-02-20 / 阅读(104) / 评论(0) 分类 天籁音乐

Renewed fighting between Ukrainian government troops and rebels in the east has threatened to demolish what remains of a shaky cease fire reached in February. President Petro Poroshenko is warning of a possible large-scale offensive by the rebels fol

发表于:2019-02-21 / 阅读(115) / 评论(0) 分类 2015CRI中国国际广播电台
学英语单词
1-amino-8-naphthol-4-sulfonic acid
aerobic threshold
age-associated
ainge
alarm signal case
ashamed to (do)
axial glide
Aziscohos Lake
blue mud b.
bormanns
broth cultivation
butterfly bend
caproaldehyole
carrier sense multiple access/collision detect
cell-holder
close plating
Confirmation of Collision Occurrance
core image library
Corots
count-noun
croll
daxers
decrepitly
delafosses
direct hernia
discolorated
equipment acceptance requirements and inspections
Eriochrome
existing provision
exornation
fantastic insanity
fire door self-closing type
fire-resisting paint
galeeny
general feedback servomechanism
grid-tuned
hempenly
high compensation
hinduja
hogget lamb
ichthyosis hystrix
imide
in ages
incoming call wire grouping key
inducible promotor
intestinal microflora
Johnson-lark-horowitz effect
Ketanda
know the world
kopje
lay store by
levelt
linear ratio
low-lying state
mailcar
make and break spark ignition
midcourse guidance
millipede
minimum distance criterion
mixture control valve
molecular sphere of action
mollia tempora fandi
Moscovian Age
multi-purpose floating pontoon
neat size
negative rolling moment
noc
non-destructive distillation
oddwoman
off the subject
on the jildi
park rider
phrynolysin
plagiostema formosana
plant comparative anatomy
processed goods
protuberantial
quantitative genetics
Rangitikei R.
sample marking
self - locking nut
self-contained air-conditioning unit
short
Silverites
skillfulness
slot mask picture tube
suspension flow
system of rectangular coordinates
technological artifacts
tensor gauge
trade-wind cumulus
tuaths
unessential dischord
upsizer
Vaccinium dunalianum
Vanina, Bukhta
Variable Zone
vicamajoreine
virgin paper-tape coil
watchdogged
x-ray flurometry
xenidium