[化] 硝化甘露醇

美国国家公共电台 NPR Decades After His Death, Max Beckmann Returns To New York

Decades After His Death, Max Beckmann Returns To New York play pause stop mute unmute max volume 00:0004:40repeat repeat off Update Required To play the media you will need to either update your browser to a recent version or update your Flash plugin

发表于:2018-12-18 / 阅读(113) / 评论(0)

2016年NPR美国国家公共电台10月

麻省理工学院公开课：单变量微积分03：求导四则运算及三角函数导数

分集介绍：导数，商数，正弦和余弦 Derivatives.of.products.quotients.sine.cosine

发表于:2019-01-05 / 阅读(386) / 评论(0)

麻省理工学院公开课：单变量微积分

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发表于:2019-01-05 / 阅读(383) / 评论(0)

麻省理工学院公开课：单变量微积分

Satellite Navigation Systems

NB: This is not a word for word transcript Alice: Hello, I'm Alice. Stephen: And I'm Stephen. Alice: And this is 6 Minute English! This week were talking about sat navs. Stephen: Sat navs thats short for satellite navigation systems. Alice: Theyre th

发表于:2019-01-07 / 阅读(187) / 评论(0)

六分钟英语

美国国家公共电台 NPR How Does Christoph Niemann Make Art Look Effortless? With A Lot Of Work

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发表于:2019-01-08 / 阅读(122) / 评论(0)

2016年NPR美国国家公共电台11月

英语游戏:愚蠢的香肠

[全屏观看] 点击右键- 另存为可保存这个Flash影片 Silly Sausage是Nitrome于2011年5月28日发行的一款益智类游戏，它是以香肠在尽量不碰到其它损失生命物体的情况下吃光所有的钻石再到达终点为标

发表于:2019-01-08 / 阅读(235) / 评论(0)

英语对接游戏

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发表于:2019-01-10 / 阅读(259) / 评论(0)

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发表于:2019-01-10 / 阅读(243) / 评论(0)

Heinemann海尼曼英语启蒙读物GK

VOA标准英语2010年-Hunger-Fighting Charities Win World Fo

The heads of two U.S.-based charity organizations are this year's winners of the World Food Prize, the prestigious $250,000 award honoring accomplishments that have improved the global food supply. This year's World Food Prize went to David Beckmann,

发表于:2019-01-13 / 阅读(154) / 评论(0)

VOA标准英语2010年(六)月

美国国家公共电台 NPR Randall Mann's 'Proprietary' Reinvents Classic San Francisco Poetry

ROBERT SIEGEL, HOST: Randall Mann captures the San Francisco of his youth in his new poetry collection, Proprietary. Our reviewer Tess Taylor says he does it while also reinventing the city for the dot-com age. TESS TAYLOR, BYLINE: Randall Mann's chi

发表于:2019-01-16 / 阅读(122) / 评论(0)

2017年NPR美国国家公共电台7月

闲谈英语-Favorite Music(1)

A: What type of music do you like to listen to? B: I like listening to different kinds of music. A: Like what, for instance? B: I enjoy Rock and RB. A: Why is that? B: I like the different instruments that they use. A: That's a good reason to like so

发表于:2019-01-20 / 阅读(197) / 评论(0)

英语闲谈

HEALTH REPORT - New Heart Drug Shows Promise in African Amer

HEALTH REPORT - New Heart Drug Shows Promise in African Americans By Cynthia Kirk Broadcast: Wednesday, November 17, 2004 This is Bob Doughty with the VOA Special English Health Report. Heart failure

发表于:2019-01-30 / 阅读(166) / 评论(0)

健康与经济

VOA常速英语2007年-UN Study Finds Nairobi Dumpsite Endangers Child

By Cathy Majtenyi Nairobi, Kenya 06 December 2007 Kenya's capital, Nairobi, is home to one of Africa's largest dumpsites. A recent United Nations study found that nearly half of the children surveyed who live near the dumpsite suffer from serious med

发表于:2019-02-07 / 阅读(213) / 评论(0)

VOA常速英语2007年（十二月）

Beach volleyball Olympic champion Reckermann to retire

BERLIN, Jan. 10 (Xinhua) -- German Olympic champion Jonas Reckermann said Thursday that he will retire from beach volleyball due to back problems. Reckermann announced his retirement on the website of the German Volleyball Federation decision is very

发表于:2019-02-07 / 阅读(275) / 评论(0)

英语新闻

听播客学英语 139 多丽丝·莱辛

Today we go on a journey. It starts in Sweden over 100 years ago; and then moves to London; and finally moves to future worlds and other planets. But we start in Sweden. Alfred Nobel spent his life finding ways to blow things up. He was born in 1833

发表于:2019-02-19 / 阅读(133) / 评论(0)

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学英语单词

Actinidia fulvicoma

adhesive composition

automatic feeder

bleed air valve

Bull Put Spread

calculating area

case of defacing public property

co ordination number

commutating inductance

complementary subgroups

continuous-curvature nozzle

delphinium souliei franch.

downhand welding

dynamic condenser electrometer

eclectic taxonomy

electromagnetic linkage

equal protection

facial features

feed through voltage

florisphaera profunda elongata

foot-and-mouth disease

grammatical pattern recognition

hanging buttress

high energy concentrate fodder

high pressure expansion turbine

impregnating apparatus

interface, application

ion cyclotron resonance mass spectrometry

kanamycin acid sulphate

kernel husk separator

make a sanctimonious face

maximum lifting load

message of greeting

multiple-column tariff

organ of speech

overindustrialize

packet message delay

passive stainless steel

prenylflavonoid

Primula cortusoides

printed wiring board

radio-controlled missile

resonance absorption neutron measurement

segmented-electrode channel

self-employment approach

simulated space

spark-gap exciter

staff-student ratio

suppliers and expense

task group identification

the world peace

tonsil punch forceps

vehicle maintenance

ventilating brick