阴极-阳极

Heard melodies are sweet, but those unheard [00:01.76]听得见的乐声虽好,但若听不见 [00:03.53]Are sweeter; therefore, ye soft pipes, play on; [00:05.41]却更美;所以,吹吧,柔情的风笛; [00:07.29]Not to the sensual ear, bu

发表于:2018-11-28 / 阅读(283) / 评论(0) 分类 零距离李阳疯狂英语口语

DAVID GREENE, HOST: We are mourning the loss of a human rights champion. Ahmed Kathrada died today in Johannesburg, South Africa. He was 87 years old. Kathrada was a veteran of the anti-apartheid movement, and he spent decades in jail with Nelson Man

发表于:2018-12-02 / 阅读(202) / 评论(0) 分类 2017年NPR美国国家公共电台3月

by Jason Marshall In recent articles, weve talked about two methods of calculating average values, the mean and the median, and weve talked about some everyday uses for them such as how to use median averaging to get better photos. But thats not all

发表于:2018-12-07 / 阅读(276) / 评论(0) 分类 数学英语

AA: I'm Avi Arditti with Rosanne Skirble, and this week on WORDMASTER: a big week for talkers and listeners. RS: This Thursday, millions of Americans will gather with family and friends to celebrate Thanksgiving -- or Turkey Day, as many call it. Tha

发表于:2018-12-30 / 阅读(182) / 评论(0) 分类 词汇大师(Wordmaster)

Ode on Melancholy NO, no! go not to Lethe, neither twist Wolf's-bane, tight-rooted, for its poisonous wine; Nor suffer thy pale forehead to be kist By nightshade, ruby grape of Proserpine; Make not your rosary of yew-berries, Nor let the beetle, nor

发表于:2019-01-02 / 阅读(266) / 评论(0) 分类 济慈诗歌和书信选(英文版)

Ode to a Nightingale MY heart aches, and a drowsy numbness pains My sense, as though of hemlock I had drunk, Or emptied some dull opiate to the drains One minute past, and Lethe-wards had sunk: Tis not through envy of thy happy lot, But being too hap

发表于:2019-01-02 / 阅读(280) / 评论(0) 分类 济慈诗歌和书信选(英文版)

Ode on a Grecian Urn THOU still unravish'd bride of quietness, Thou foster-child of Silence and slow Time, Sylvan historian, who canst thus express A flowery tale more sweetly than our rhyme: What leaf-fringed legend haunts about thy shape Of deities

发表于:2019-01-02 / 阅读(217) / 评论(0) 分类 济慈诗歌和书信选(英文版)

Ode to Psyche O GODDESS! hear these tuneless numbers, wrung By sweet enforcement and remembrance dear, And pardon that thy secrets should be sung Even into thine own soft-conched ear: Surely I dreamt to-day, or did I see The winged Psyche with awaken

发表于:2019-01-02 / 阅读(187) / 评论(0) 分类 济慈诗歌和书信选(英文版)

John Keats (1795 - 1821) My heart aches, and a drowsy numbness pains My sense, as though of hemlock I had drunk, Or emptied some dull opiate to the drains One minute past, and Lethe-wards had sunk: Tis not through envy of thy happy lot, But being to

发表于:2019-01-02 / 阅读(243) / 评论(0) 分类 英语诗歌

分集介绍:不同于一般常微分方程课程千篇一律地从分离变量和一阶线性方程讲起,MIT《微分方程》第一讲就以独特的视角从全局的角度诠释了微分方程的内涵。课程从方向场和积分曲线入手

发表于:2019-01-05 / 阅读(206) / 评论(0) 分类 麻省理工学院公开课:微分方程

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Batteries of the future need to deliver more energy, and they need to be smaller. Researchers at MIT think they have developed a technology that can, a

发表于:2019-01-08 / 阅读(269) / 评论(0) 分类 Scientific American(四)月

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Common batteries are electrochemical cells. And they may get better thanks to living cells: the multicellular organism called brown algae. Lithium ion

发表于:2019-01-08 / 阅读(246) / 评论(0) 分类 Scientific American(九)月

By Penelope Poulou Washington, DC 19 May 2006 watch Da Vinci Code report Ron Howard's movie 'The Da Vinci Code’ has premiered to a flurry of reactions by the mainstream Christian community -- perhap

发表于:2019-01-08 / 阅读(294) / 评论(0) 分类 2006年VOA标准英语(五月)

Tae: What are you doing? Why are you taking all of my clothes out of my suitcase? I just finished packing that. Nicole: Youve packed all of the wrong things. Were going on a luxury cruise and all youve packed are shorts and t-shirts. Tae: Im going on

发表于:2019-01-08 / 阅读(163) / 评论(0) 分类 地道美语播客

Today's topics: Nicknames and shortened names, 'To kill two birds with one stone' and 'The early bird gets the worm,' May vs. Can, Using do + verb, Suite, and to wash down. Words: Sponsor Nick, Nicky Mike, Mikey Kathy, Kath Dave Alex Frank, Frankie L

发表于:2019-01-22 / 阅读(138) / 评论(0) 分类 美语听力 English Cafe

Ode To My Family by The Cranberries Understand the things I say Dont turn away from me Cause I spent half my life out there You wouldnt disagree Do you see me, do you see Do you like me, do you like me standing there Do you notice, do you know Do yo

发表于:2019-02-02 / 阅读(355) / 评论(0) 分类 音乐咖啡厅

分集介绍:这一讲主要是讲跳跃式不连续函数u(t)=1(t0); 0(t0)的情况,重新定义拉普拉斯逆变换的唯一性,即L(u(t))=1/s。之后教授讲到了函数平移之后的拉普拉斯变换如何进行,之后推广到更一般

发表于:2019-02-05 / 阅读(241) / 评论(0) 分类 麻省理工学院公开课:微分方程

A widower who lost his wife to Alzheimer's 72 years after their first kiss has touched hearts across Britain by penning a moving poem in her memory. Bob Lowe, 93, described the deep loneliness he has felt since his wife Kath died three years ago in h

发表于:2019-02-05 / 阅读(175) / 评论(0) 分类 英语新闻

Australians really do have a unique brand of humour. We enjoy self-deprecating digs, send-ups of our own stereotypes and anything that doesnt take itself too seriously. It therefore comes as no surprise that there are many cult favourite television s

发表于:2019-02-07 / 阅读(237) / 评论(0) 分类 阅读空间

AA: I'm Avi Arditti with Rosanne Skirble, and this week on WORDMASTER: a big week for talkers and listeners. RS: This Thursday, millions of Americans will gather with family and friends to celebrate Thanksgiving -- or Turkey Day, as many call it. Tha

发表于:2019-02-14 / 阅读(164) / 评论(0) 分类 英语单词大师-Word Master
学英语单词
-parter
activity in the market
actuosity
aenictus punctiventris
Alfred Lothar Wegener
anarcho-communist
angsties
Antully
apparel industry
Arthromitus
at loggerheads
audio frequency band
baader-meinhof
Beaver Wars
bifunctional extractant
Big Diomede
Bogue Chitto
budget reserves
coheir
complex acid
computer-aided engineering
computer-store
continuous gas-lift valve
continuous girder
Cotoneaster salicifolius
damages for adultery
decay cooling
decompaction
diagnostic write
disseverest
dropout compensator
encapsulates
encephalometric
estrodiol-17
feyyaz
florestan
grandma
heavy lift charge
hemishere
hexalites
hey for
horizonally focusing sector
HYBALL
ichthammol
inflammatory proliferation
intermittent positive pressure breathing
kirshner
Lavos
layer loading
legging it
lenards
Limia, R.(Lima, R.)
limonis cortex siccatus
lithium deposit
locomobility
megopis (aegosoma) sinica
Messelhausen
millicron
mortificative
natural frequency of a foundation
neocytoplasm
nitrding
oil-proof compound
Oppenheim's reflex
paper tape punch
paucifolia
phosphorous acids
Plasencia, Llano de
plesiastrea versipora
prum
Pukshen'ga
put asunder
putrescines
quadrant machine
rectangular header
Regina Beach
reikis
relativistic invariant
remanent vibration
reservoir port
Saxonies
scartelaos gigas
silo type cell
snow plow car
standard setup labor time
steelrim
strokeed
superposition of flow patterns
taaffe
three-lens system
Trichosanthes kerrii
true to his name
tuned post
undecolic acid
underwater acoustic communication
vughy
Wandīān
weak phoneme
West African fever
winningly
with ill grace
yttrotantalite- (y)