氧超弧割切

Now the speed of light is a very,very big number. 光速是个很大的数字 So if we just take a small amount of mass, 所以只要一点点质量 you get a huge amount of energy. 就含有大量能量 And that's the energy which actually powers ou

发表于:2018-12-07 / 阅读(252) / 评论(0) 分类 太阳科普

Can Oxygen Be Toxic?氧气有毒吗? In order for us to live we must have oxygen, so how can it be bad for us? Today we explain how oxygen can be toxic. 氧气是我们生存所必需的,所以它怎么会对我们有害呢?今天我们来解释为

发表于:2018-12-28 / 阅读(223) / 评论(0) 分类 初学者听力文摘精选

If blood didnt circulate through our bodies, carrying oxygen and nutrients, we wouldnt be able to live. Blood is so important to life that the body constantly makes new blood. To do this, the body must produce the liquid part of blood, called plasma,

发表于:2018-12-31 / 阅读(148) / 评论(0) 分类 英语听力文摘 English Digest

Broadcast: Feb 24, 2003 By Jill Moss This is the VOA Special English Development Report. Activists for the rights of women have declared a yearly observance to oppose the cutting of female sex organs.

发表于:2019-01-02 / 阅读(218) / 评论(0) 分类 VOA2003(上)-社会广角

This is Scientific American's Sixty-Second Science. I'm Christopher Intagliata. Got the minute? A couple million years ago, mammoths migrated north from Africa to colonize Eurasia. Sometime around then a massive ice age kicked inand it was stay warm

发表于:2019-01-08 / 阅读(202) / 评论(0) 分类 Scientific American(五)月

By Tetiana Vorozhko Washington, D.C. 21 December 2007 Christmas trees in the United States are not only a holiday tradition but big business as well. Every year Americans buy some 30 million live trees. They are grown at special farms like the 'Pepe

发表于:2019-01-11 / 阅读(179) / 评论(0) 分类 VOA常速英语2007年(十二月)

我们今天要学的习惯用语都有这个单词:edge。它最常用的意思是边缘,但是在今天要学的第一个习惯用语里edge这个词的意思却是刀剑的刀刃。 今天要学的第一个习惯用语是:on the cutting edge。

发表于:2019-01-14 / 阅读(303) / 评论(0) 分类 美国习惯用语

Grab my hand take one step Come with me no regrets 'Coz we'll fly higher than what you can imagine When your heart is mine, anything can happen You're my baby I know you hear this song No need to worry about us You ain't doing nothing wrong Coz latel

发表于:2019-01-14 / 阅读(195) / 评论(0) 分类 节奏布鲁斯

LULU GARCIA-NAVARRO, HOST: It's not every day that scientists announce a new season. But that's what ocean researchers just did on the west coast. They say waters off Oregon, Washington and California now have a whole season when the oxygen level on

发表于:2019-01-17 / 阅读(200) / 评论(0) 分类 2018年NPR美国国家公共电台10月

凭借在iTunes和MySpace的成功,来自美国加州的流行女歌手科尔比凯拉特(Colbie Caillat)的处女专辑《Coco》一经发行便得到了很多歌迷的关注。在美国上市第一周,这张《Coco》共售出5万1千张,在本周的Billboard 200专辑榜中跻身前五名. 在没有与唱片公司签订合约之前

发表于:2019-01-23 / 阅读(309) / 评论(0) 分类 音乐咖啡厅

DEVELOPMENT REPORT - Study Links Custom of Female Cutting to Infertility By Jill Moss Broadcast: Monday, August 29, 2005 I'm Bob Doughty with the VOA Special English Development Report. New research s

发表于:2019-01-30 / 阅读(202) / 评论(0) 分类 农业与发展

Colbie Caillat-Oxygen I came apart inside a world 我在这个由怒气冲冲的人们组成的 made of angry people 世界里支离破碎 I found a boy who had a dream 直到有一天我遇见一个寻梦的男孩 Making everyone smile 他令他身边

发表于:2019-02-02 / 阅读(153) / 评论(0) 分类 好听的英文歌曲

trailblazer cutting edge 今天我们要给大家介绍的两个俗语都有

发表于:2019-02-03 / 阅读(264) / 评论(0) 分类 美国习惯用语

Oxygen therapy can bring drug-free relief to many Vidushi Sinha | Washington, DC 15 December 2009 A new study shows that breathing pure oxygen can considerably lessen the agony experienced with severe headaches Cluster headaches are described by suff

发表于:2019-02-06 / 阅读(301) / 评论(0) 分类 VOA标准英语2009年(十二月)

BEIJING, Dec. 11 (Xinhua) -- China is faced with severe challenges in collecting enough blood plasma to produce medicines, Health Minister Chen Zhu said Sunday. Chen called on the public to join blood donation after donating blood plasma at the Beiji

发表于:2019-02-07 / 阅读(182) / 评论(0) 分类 英语新闻

Now, the VOA Learning English program Words and Their Stories. For todays program, we go into the kitchen! There is a good chance you do not go one day without using a knife. It is an important tool when cooking, and without it, you could not make ma

发表于:2019-02-12 / 阅读(196) / 评论(0) 分类 2019年VOA慢速英语(一)月

Listen to the statements and check the correct answers. 1.Is sweeping out the tiny dust bothering you a lot? From now on if you have this machine, doing the housework will become a very easy job. This is a portable vacuum cleaner. lt's light and wire

发表于:2019-02-17 / 阅读(168) / 评论(0) 分类 英语听力练习题

CHENGDU, May 5 (Xinhua) -- Chinese Health Minister Chen Zhu donated plasma on Saturday in Chengdu, capital of southwest China's Sichuan Province, and called on health workers to take the lead in blood donation to ease the country's blood supply short

发表于:2019-02-18 / 阅读(184) / 评论(0) 分类 英语新闻

I came apart inside a world 我在这个由怒气冲冲的人们组成的 made of angry people 世界里支离破碎 I found a boy who had a dream 直到有一天我遇见一个寻梦的男孩 Making everyone smile 他令他身边的每个人都能展颜

发表于:2019-02-20 / 阅读(179) / 评论(0) 分类 好听的英文歌曲

Voice 1 Welcome to Spotlight. Im Adam Navis. Voice 2 And Im Robin Basselin. Spotlight uses a special English method of broadcasting. It is easier for people to understand, no matter where in the world they live. Voice 1 Eric was only sixteen years ol

发表于:2019-03-04 / 阅读(185) / 评论(0) 分类 环球英语 Spotlight
学英语单词
a multiplicity of
a shade
abelsonite (nickel porphyrin)
access into lifeboat
acetone body
aimag
airplane ambulance
Android ROM
anti-stall gear
antihalation backing film
apparent absorption
bi-serial ratio of correlation
blatest
block tin
blue fleabanes
cab-tyre cable
Campidano
ceramic fuel cell
cerebral vomiting
combined main and intermediate distributing frame
common-gate amplifier
correcting mount
crannog
cushings
dielectric strength of oil
differential capsule
does a bad job
double takes
dryvax
duplex carburetor
emergency position-indicating radiobeacon
equivalent integrated circuit
evening parse
fat provisioning
feeder stop
flucarbazone
fluoroprint
genus polygonums
glaphyra jiuyuchtana
green sauce
half-rounds
hawser rudder
Heteronemertea
highway service facilities
Hoxnian
huntest
hydrodrill
hydrogymnastics
inertia switch
infraspinate
input - output control system
interconnected synchronous generator
intranet security
japanese article numbering
jariya
lafosse
lay day statement
lingoes
lodgment area
loufah sponge
lower-sideband up-converter
magnetic tape terminal equipment
majuba hill
mandatory altitude (ma)
margino-costal artery
memorates
mitalks
mixture of ammonium chloride
nawrocki
nonneurotics
nonopinionated
nonose
noob face
panelless
philobiblons
platelet factor 4
polyporous
portsman
Propliopithecus
radicactive debris
regular tenacity
revocably
Ryohaku-Sanchi
selectants
short snorter
slack wire protection
standard visibility
stenotypes
take life
tapered aileron
tower hand
transversal surface
turnover of foreign trade
Unflag Message
unperpetrated
vaulx
vorago
waste-collections
wave hollow
westwaters
xao
zebecs