四分面体

This is Scientific American Sixty Seconds Science, I'm Sophie Bushwick, got a minute? When Mexican tetra fish moved into darker caves long ago, they evolved to deal with the dark by becoming albino and going blind. A new research shows that the chang

发表于:2018-12-24 / 阅读(178) / 评论(0) 分类 Scientific American(一)月

Pronunciation is a funny thing. What pronunciation do you study? In England there are a hundred different accents but textbooks only teach one. What use is that? Actually, English teaching textbooks are pretty bad at teaching pronunciation. Look how

发表于:2018-12-26 / 阅读(121) / 评论(0) 分类 纯正英语一分钟

哈利波特与魔法石18-Harry meets Ron Weasley

发表于:2018-12-31 / 阅读(256) / 评论(0) 分类 哈利波特与魔法石

Sharon went to Target with Paula. Target was having a sale. Everything was on sale. It was the holiday season. It was the day after Thanksgiving. It was Black Friday. Did someone die? Paula asked her mom. Her mom said no. Then why do they call it Bla

发表于:2019-01-02 / 阅读(143) / 评论(0) 分类 简单慢速英语阅读

Seamus Heaney The tightness and the nilness round that space when the car stops in the road, the troops inspect its make and number and, as one bends his face towards your window, you catch sight of more on a hill beyond, eyeing with intent down cra

发表于:2019-01-02 / 阅读(147) / 评论(0) 分类 英语诗歌

by Mignon Fogarty I have been deluged with questions about how to pronounce the name of the year. The two main contenders are twenty-ten and two thousand ten. Before the turn of the century, most people pronounced the years by chunking the first two

发表于:2019-01-02 / 阅读(150) / 评论(0) 分类 英语语法 Grammar Girl

T Tanshinone IIA 丹参酮IIA Tanshinone I 丹参酮I Tanshinone IIB 丹参酮IIB Taraxasterol 蒲公英甾醇 Taraxerol 蒲公英赛醇 Tauro ursodesoxy cholic acid 牛磺熊去氧胆酸 Taxifolin 花旗

发表于:2019-01-03 / 阅读(155) / 评论(0) 分类 医务英语

我是一名数学家,并且我希望站在你们的屋顶上。当Ron Eglash遇到许多非洲家庭时,他总是这样介绍。当时,他正在研究非洲的村落中随处可见的分形图案。

发表于:2019-01-05 / 阅读(197) / 评论(0) 分类 TED公开课:百字不如一数字

BBC Learning English People and Places The Final Frontier Callum:Hello, Im Callum Robertson and this is People and Places. Today Im going to be talking about the actor James Doohan. James Doohan was most well known as the engineer Scotty in the icon

发表于:2019-01-11 / 阅读(230) / 评论(0) 分类 人与地方

GUY RAZ, HOST: Have you ever experienced hatred or - I mean, have you ever - I don't know. Has anybody ever said something to you because of who you are, because of your faith that has just been so incredibly hurtful? DALIA MOGAHED: Yes (laughter), a

发表于:2019-01-17 / 阅读(176) / 评论(0) 分类 2017年NPR美国国家公共电台4月

Israeli Prime Minister Ariel Sharon has proposed a detailed, accelerated timetable to withdraw all Jewish settlements from the Gaza Strip at the beginning of next year - months earlier than originally planned. 以色列总理沙龙推出了一项建议

发表于:2019-01-19 / 阅读(146) / 评论(0) 分类 VOA双语新闻 Bilingual News

371326198704242026 5 370687198602073872Mari: Hi, I'm Mari. I'm here with my friend Ron. Today, we're talking about food. So Ron, what's your favorite cuisine? Ron: My favorite cuisine has to be Hawaiian food. I grew up eating Hawaiian food so every s

发表于:2019-01-20 / 阅读(134) / 评论(0) 分类 原版英语对话1000个

Champions [verse 1] moment of silence for the champions for those who make going hard a lifestyle never wait for nothing got to get it right now i'm in the spotlight when they turn the lights down only the champs go the hardest in the 12th round i lo

发表于:2019-02-03 / 阅读(144) / 评论(0) 分类 好听的英文歌曲

庆祝湖人夺冠新单:Ron Artest - Champions Artist:Ron Artest Song:Champions [verse 1] moment of silence for the champions for those who make going hard a lifestyle never wait for nothing got to get it right now i'm in the spotlight when th

发表于:2019-02-03 / 阅读(170) / 评论(0) 分类 流行英文歌曲

Pollster Dalia Mogahed 分享了一些关于埃及人对于阿拉伯之春的态度的令人意外的数据主要集中于女性在导致变革中起到的角色。

发表于:2019-02-05 / 阅读(235) / 评论(0) 分类 TED公开课:告女性说

Mari: Hi, this is Mari. I'm here with Ron. Today, we'll talk about types of entertainment and how often we do these things. Let's first start with watching TV. Ron, how often do you watch TV? Ron: Usually I watch TV every day. I don't watch TV very l

发表于:2019-02-05 / 阅读(128) / 评论(0) 分类 原版英语对话1000个

Mari: I'm Mari from Japan and I'm here with Ron from Hawaii. Today we are going to be talking about abilities so let's start with food. Can you cook? Ron: I can't cook well, but I do cook, so I think the reason why I can't cook well is because I can

发表于:2019-02-05 / 阅读(122) / 评论(0) 分类 原版英语对话1000个

By Greg Flakus Des Moines 02 January 2008 Among the Republican presidential candidates competing for caucus votes in Iowa is a man who has developed a small, but strongly committed following by voicing libertarian principles and opposing the war in I

发表于:2019-02-08 / 阅读(130) / 评论(0) 分类 VOA标准英语2008年(一月)

BUENOS AIRES, Dec. 7 (Xinhua) -- Former Manchester United and Argentina midfielder Juan Sebastian Veron has confirmed he will play in Argentina's fifth division next year. The 37-year-old ended his career with top-flight side Estudiantes in June but

发表于:2019-02-13 / 阅读(257) / 评论(0) 分类 英语新闻

10 Getting The Lead Out 第十章 把铅撵出去 In the late 1940s, a graduate student at the University of Chicago named Clair Patterson (who was, first name notwithstanding, an Iowa farm boy by origin) was using a new method of lead isotope measur

发表于:2019-02-17 / 阅读(189) / 评论(0) 分类 万物简史
学英语单词
amphivasal vascular bundle
antioxidant A
apogee engine
basic subject
beynons
black salve
bottom drive press
bulkhead packing gland
castiglione della stiviere
catalog of charts and publications
charged particle transport theory
coarse bed
come arrive at an agreement
compensated control
convert self-guidance
cumonitrile
debugger status
direct program interface
direction image
dirty read
Dona Ema
double upshot furnace
double-speed pulley
dum casta
eaglets
economic expansion incentives
eigenmaps
electric monorail hoist
exsolution
fast rod insertion
five-phase theory
floating filling station
flufosal
flyingly
fog patch
frottolas
full coinsurance
gear-tester
gestelin
go over the side
gonophoric
Guéné
Hamarφy
hanging
hardware shop
heading driver
hold sparring
horizontal sliding-frame hot saw
human being
I. K. unit
increment execution
International Latitude Service
journal-writing
Leipheim
life-long
luminance errors
main soil group
method of ficitious loads
monoalkylated
multiradiate
near-shores
non analytic function
observer relibility
office profile
optimum point of production
outkissed
pan scrolling
pipe-insert with rainer
polyhedral flame
ponyless
pre-collisions
prolease
pronamide
red-bearded
resistance electrode system
retill
road control
scheinbaum
sievorptive chromatography
spellbound
status offender
step discontinuity
surface texture
sycophantism
system environment recording
tagwen
takeoff strip
tally
Tanintharyi River
tapering cane
the human race
there under
three-axle bogie
tinker's dam
totally opened play of steering control valve
trophic membrane
U.S.C.
unsensing
Vanstadensrus
viscosity index figure
welded eye
wood pendulum rod