音标:[.rɒmbә'hi:drәn] ;
n. 菱面体
n. a parallelepiped bounded by six similar faces (either rhombuses or parallelograms)
词型变化:名词复数形式 : rhombohedrons

Rho Ophiuchi dark cloud is one of the closest star-forming regions to our own solar system. Located near the constellations Scorpius and Ophiuchus, the nebula is about 407 light years away from Earth. The infrared astronomical satellite, now celebra

发表于:2018-12-05 / 阅读(151) / 评论(0) 分类 国家地理2008年

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(92) / 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(213) / 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(107) / 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(98) / 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(106) / 评论(0) 分类 英语语法 Grammar Girl

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(166) / 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(193) / 评论(0) 分类 人与地方

Trumbo Tells the Story of Blacklisted Screenwriter In 1950, the United States Congress tried to end the career of Dalton Trumbo, the highest-paid screenwriter in Hollywood. Now, that story is being told in the new movie, Trumbo. In 1947, Dalton Trumb

发表于:2019-01-12 / 阅读(97) / 评论(0) 分类 2015年VOA慢速英语(十一)月

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(144) / 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(105) / 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(95) / 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(105) / 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(138) / 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(197) / 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(89) / 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(86) / 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(100) / 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(221) / 评论(0) 分类 英语新闻

Transcript for Reference Only --chunshan The infrared astronomical satellite, now celebrating its 25th anniversary, gave us the first all sky view of our dusty infrared universe. Floating above the galactic center is the Rho Ophiuchi Cloud, about 400

发表于:2019-02-26 / 阅读(215) / 评论(0) 分类 自然百科2008年
学英语单词
adventure in company
Airtonia
alltrans
amorphous silicon solar cell
anmer
assessment level
bedded in
benihiol
benmara creek
biofluorescents
blackcurrant
book-lore
bow pump
brittle body
bronze tablet
capacitive gap
Cessna
child-prodigy
cladding loss
clockwork feed
color histogram
Command port.
cooling type dehumidifier
coprostasia
crocombe
dalton trumboes
data power
diamana
discharge bowl
domestic fowl farming
drought susceptible
dynamic paging of memory
eclipselike
Einhorn's test
environmental chemistry
failure access
farmer's satin
favourable for
feighan
fluoridise
game pieces
get into a groove
giocoso
hilloed
home-theater
hydraulic packer
Izzie
Japanese vellum
John Doe
John Travolta
lodging quarters
marginal output curve
maritime reconciliation
methoxyhydroxyphenylglycol
mill hole
mud cat
mud-cart
naphthoresorcin
net-type filter
nil-paid share
NRMS (normalized root-mean-square value)
ombrophobia
optical anomaly
Oresme, Nicholas
panel instrument
parigi
pawn off
pethrow
physiographic plant formation
Pinus wallichiana
piss me off
Plesch's test
pneunatic brake
point welding machine
primitive extraction-embedding parser
prosody rule
Proterotheriidae
quasi-contract
rearise
reason code
regroupings
Rubus ursinus loganobaccus
Rudolf Christian Karl Diesel
scattiest
sergedusoy
simper
solid(s) content
spank us
splendious
stational
Ste-Luce
successive ballots
surveillance visit
tail bay
termination polymerization
Trilophodon
Tākli
unable to do anything with
uri-
vescular film
whitlatch
Zahle, zahlah