曲面面积

EXPLORATIONS - Mars Exploration, Part 2 By Paul Thompson Broadcast: Wednesday, February 04, 2004 (THEME) VOICE ONE: This is Shirley Griffith. VOICE TWO: An artists picture of a Mars Rover vehicle. And

发表于:2018-12-01 / 阅读(197) / 评论(0) 分类 Explorations

Text Would you choose to live underground if you could gain many advantages from doing so? Weather would no longer trouble you. Temperature would remain the same all the year round. Artificial lightin

发表于:2018-12-04 / 阅读(221) / 评论(0) 分类 大学英语精读第四册

Hello,everyon [00:06.56]Today,we'll talk about another planet,Mar [00:24.76]Mars is one of the planets in the solar syste [00:40.96]It is the forth planet from the su [00:54.54]It is named for the Roman god of wa [01:09.28]because it appears fairly r

发表于:2018-12-04 / 阅读(215) / 评论(0) 分类 考研英语听力基本功1

No statues, no obelisks, no temples, nothing to suggest this could once have been home to the ancient world's great lost capital. When I came first to this area and to this site, I was shocked. Nothing was to be seen at the surface. No clue where to

发表于:2018-12-05 / 阅读(229) / 评论(0) 分类 遗失的法老城市

SCIENCE IN THE NEWS - Searching for Answers About What Harms Coral Reefs, and What May Protect Them A look at recent studies of coral reefs. Some scientists say rising temperatures have damaged almost half around the world. Yet many reefs stay color

发表于:2018-12-15 / 阅读(155) / 评论(0) 分类 VOA慢速英语2008年(三)月

托福阅读的问题,归根结底就是读不懂:文章读不懂,或者问题和选项读不懂。一切所谓的解题技巧也是为了帮助我们读懂,而不是在读不懂文章的基础上仍然能够解题。在一篇700多单词的文

发表于:2018-12-19 / 阅读(124) / 评论(0) 分类 托福英语

Experts Meet to Understand Decrease in Humpback Whales Off Hawaii Every winter, thousands of humpback whales migrate from Alaska to the warmer waters near the Hawaiian Islands. There, they have sex and give birth before making their return trip north

发表于:2018-12-19 / 阅读(300) / 评论(0) 分类 2018年VOA慢速英语(十一)月

There are many theories about what happened to the missing Malaysia Airlines plane but confirmed information is hard to come by. We\'ll tell you what we know today on CNN Student News. \It\'s been 13 days since the flight with 239 people aboard vanis

发表于:2018-12-19 / 阅读(128) / 评论(0) 分类 CNN2014年(三)月

Worlds within Worlds First of all let us consider the earth (that is to say, the world) as a planet revolving round the sun. The earth is one of mine planets which move in orbit round the sun. These n

发表于:2018-12-31 / 阅读(127) / 评论(0) 分类 有声英文阅读

EXPLORATIONS - Days of Apollo: Collecting Rocks, and Making History, on the MoonBy Marilyn Rice Christiano Broadcast: Wednesday, September 06, 2006 ANNOUNCER: EXPLORATIONS -- a program in Special Engl

发表于:2019-01-02 / 阅读(122) / 评论(0) 分类 2006年慢速英语(九)月

A Flood of Tourists to Perus Rainbow Mountain Tourists struggle for breath as they climb for two hours to reach the top of a mountain in the Peruvian Andes. The mountain is 5,000 meters above sea level. The climbers are tired, but happy to see the be

发表于:2019-01-03 / 阅读(160) / 评论(0) 分类 2018年VOA慢速英语(五)月

The American popular female singer Lady Gaga is famous for creating the fashion. Of course, the fashion she created is not accepted by the old generation but is admired by the young people. They believe that it stands for their individuality. There i

发表于:2019-01-03 / 阅读(113) / 评论(0) 分类 英语作文

A few months ago the fairy tale came true. 几个月前,童话故事成真了! We announced to the world that we know what these streaks are. It's liquid water. 我们向世界宣布,我们已经知道这些条纹是什么了。是液态水。

发表于:2019-01-18 / 阅读(139) / 评论(0) 分类 TED演讲科学篇

When summer hits, I dread jogging outside. But a study finds that elephants can be in true danger in the heat. As creatures get bigger, they have smaller surface area to body volumn ratios. Fully-grown Asian eleplants thus pack a lot of mass into a b

发表于:2019-01-20 / 阅读(140) / 评论(0) 分类 Scientific American(五)月

33 阿波罗登月计划(三) DATE=4-25-01 TITLE=EXPLORATIONS #1949 - PROJECT APOLLO, PART 3 TYPE=SPECIAL ENGLISH FEATURE BYLINE=MARILYN RICE CHRISTIANO ANNCR: EXPLORATIONS -- A PROGRAM IN SPECIAL

发表于:2019-01-30 / 阅读(184) / 评论(0) 分类 科技之光

EXPLORATIONS - Cassini-Huygens at Titan By Paul Thompson Broadcast: Wednesday, February 02, 2005 (MUSIC) VOICE ONE: I'm Faith Lapidus. VOICE TWO: And I'm Steve Ember with EXPLORATIONS in VOA Special E

发表于:2019-01-30 / 阅读(165) / 评论(0) 分类 Explorations

Li Weiqi, a 40-year-old auxiliary traffic police officer from Hangzhou's West Lake detachment of the Traffic Management Bureau, said he noticed something weird about the road surface of the intersection where he was on duty on April 21. When I walked

发表于:2019-02-04 / 阅读(112) / 评论(0) 分类 英语新闻

Li Weiqi, a 40-year-old auxiliary traffic police officer from Hangzhou's West Lake detachment of the Traffic Management Bureau, said he noticed something weird about the road surface of the intersection where he was on duty on April 21. When I walked

发表于:2019-02-09 / 阅读(130) / 评论(0) 分类 2016CRI中国国际广播电台

By bending arms and legs or angling her bodypresenting more or less surface area to the groundshe can change her rate of fall, slowing or speeding up her terminal velocity around ten or twenty miles per hour. To fall as fast as two hundred miles per

发表于:2019-03-06 / 阅读(154) / 评论(0) 分类 英语时差8,16

Why Frisbees Fly With a gentle flick of the wrist on a warm summer day, you can launch a frisbee on a long and graceful flight. Why do they fly so well? One reason is something called gyroscopic force. This is the tendency of a spinning object to mai

发表于:2019-03-09 / 阅读(172) / 评论(0) 分类 英语听力文摘 English Digest
学英语单词
acoustic Doppler navigator
acoustoelectric current
Action rear!
al-masri
aluminum tube
ambient foods
amphibrach
anthidiums
anti-psychotics
aweight
Back-to-back Loans
begin-ning
bettaney
bimetallic plate
blank slug
breaksea pt.
carbide former
cardinal points of ecliptic
centers of buoyancy
Ceyloneses
channel firth
Clarkean
clocksmiths
complicated injuries
coraco-acromial
coreholes
Corfinio
Dav.
de boer bulb
de-briefs
digital-analog decoder
direct projection
dollar value at point of exportation
during construction
error measuring system
evasion lap
excavation without timbering
excision of tecal cyst
extended floating point operations
extr.
facies articularis calcanearis anterior
false attic
farthing damages
Fecamp
Fluolite
geochemistries
glucanase
gradient proton magnetometer
guibouts
high tension transmission
Impatiens vittata
in total
intermediate class pavement
intermontane
involute spline milling cutter
kibbling machine
launching curve
liberty city
lyndens
menu system
metapyrocatechase
Muscular Dystrophy Association
neoprenes
optimization method
orientiparcin
paternal qualities
physical defect
Picus
PIIGS
polyanilines
proper evidence and testimony
pulvis tragacanthae compositus
pyrenocytes
rate of redemption
ratio of fixed assets to long term capital
realizability property
resistance-heated furnace
rim fermentation
Réaup
seam binding
self recording rain gauge
semicircular deviation
shedding motion
Sheffield stands
solidago missourienses
Sorbitol-6-phosphatase
spectator art
spontaneous rupture of mesenteric vessel
Sātmāla Ra.
Tachinidae
total cleavage
trademark dispute
tryggvason
two-line pass
upper atmospheric physics
V-
visceral reaction
web longitudinal stringer
what they do?
white tree
work-hours
Workmen's