液滴传感器

发表于:2018-11-27 / 阅读(617) / 评论(0) 分类 英语口语1+1

发表于:2018-11-27 / 阅读(610) / 评论(0) 分类 英语口语1+1

What are you going to do with that vase, Penny? Im going to put it on this table, Sam. Dont do that. Give it to me. What are you going to do with it? Im going to put it here, in front of the window. Be careful. Dont drop it! Dont put it there, Sam.

发表于:2018-12-14 / 阅读(441) / 评论(0) 分类 新概念英语第一册

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Real-time information about whats happening in our bodies at the cellular level could be crucial for fighting cancer and other life-threatening conditi

发表于:2018-12-24 / 阅读(400) / 评论(0) 分类 Scientific American(十二)月

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Electronics come in all shapes and sizesbut theres been a limit on their flexibility. Now, researchers say theyve created electronics that can be shape

发表于:2018-12-24 / 阅读(457) / 评论(0) 分类 Scientific American(十一)月

One of the most exquisite heat sensors in the worldits not in some government lab. It's in the head of a snake. The pit viper, to be specific. They're incredibly sensitive. They beat any of the synthetic counterparts, even the most expensive semicond

发表于:2018-12-24 / 阅读(387) / 评论(0) 分类 2017年Scientific American(二)月

说一口流利的英语,从简单的单词开始。 听听,读读,背背,今天你的词汇量又增加了5个。 单词/词义 中英例句 单词听读 identity [ ai5dentiti ] The police are

发表于:2018-12-30 / 阅读(498) / 评论(0) 分类 每日攻克5词

我想大家都知道

发表于:2019-01-04 / 阅读(574) / 评论(0) 分类 美国习惯用语

at the drop of a hat to talk through one's hat 今天我们要给大家介绍两个和

发表于:2019-01-06 / 阅读(545) / 评论(0) 分类 美国习惯用语

bomb To drop a bombshell 语言往往是难以捉摸,也是没有道理可讲的。我们刚才给大家介绍了Blockbuster。Blockbuster是指某件事,特别是文艺作品,取得很大成功。

发表于:2019-01-06 / 阅读(521) / 评论(0) 分类 美国习惯用语

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. It's April 15th. Like many people around the country, you might be feeling your blood pressure rise as you deal with everyone's favorite activityfiling

发表于:2019-01-08 / 阅读(412) / 评论(0) 分类 Scientific American(四)月

在生活中我们常会在等待盼望一些事情的结果。无论是一场精彩的足球赛,还是一次重要的考试,或者是正在谈判中的一笔大生意,你都会提心吊胆地等待它们的结果。我想这种悬念心理大家

发表于:2019-01-16 / 阅读(538) / 评论(0) 分类 美国习惯用语

Well, I was born with a rare visual condition called achromatopsia, which is total color blindness, 我出生在一个色彩极少的世界,世界只有明暗之分,这叫做全色盲 so I've never seen color, 所以我不知道什么是颜色, a

发表于:2019-01-18 / 阅读(459) / 评论(0) 分类 TED演讲国际问题篇

By Melinda Smith Washington 16 August 2007 In 2002, a national study of millions of American women showed that taking hormone replacement therapy during menopause increases the risk of breast cancer, blood clots and strokes. The news prompted many wo

发表于:2019-01-31 / 阅读(458) / 评论(0) 分类 2007年VOA标准英语(八月)

Cat lovers of the world, rejoice! You finally have the chance to understand what your pet is saying thanks to a smart collar that can interpret feline meows and translate it into human speech. Aptly named Catterbox, the collar supposedly has a digita

发表于:2019-02-04 / 阅读(455) / 评论(0) 分类 实用英语

Rumors of a successor to Xiaomi's 2016 Mi 5 flagship smartphone have begun to heat up, but the company has cooled off any hype by announcing that it will skip Mobile World Congress this year. 虽然关于2016年小米5旗舰版后续型号的传闻越炒

发表于:2019-02-08 / 阅读(434) / 评论(0) 分类 英语新闻

俄罗斯测试现代化的反潜机 MOSCOW, Jan. 5 (Xinhua) -- Russia's Northern Fleet will test a modernized anti-submarine aircraft, the Il-38N, which could be used in the Arctic region, a military official said Sunday. The plane has been enhanced

发表于:2019-02-18 / 阅读(345) / 评论(0) 分类 英语新闻

Every school day, about 7,000 students drop out of school(退学) in the United Stars. That's a total of 1.2 million students each year and only about 70 percent of entering high school freshman graduate each year. The problem is especially serious i

发表于:2019-02-18 / 阅读(470) / 评论(0) 分类 英语新闻

第一个习惯用语是drop a bombshell,这个习惯用语出现在1914年到1918年的第一次世界大战期间。当时史无前例地大规模使用飞机来轰炸地面,很多人都亲眼目睹了飞机扔炸弹的惊天动地场面,而且

发表于:2019-02-18 / 阅读(392) / 评论(0) 分类 实用英语

If you've ever felt threatened walking home late at night, chances are you've phoned a loved one to make sure they know you're safe. 如果你深夜步行回家时感到害怕,你极有可能向你爱的人打电话,向他们报平安。 But maki

发表于:2019-02-18 / 阅读(451) / 评论(0) 分类 阅读空间
学英语单词
active fiber
adjustable drum
allowable constant current
andhra
ankoku butoh (japan)
anthropogonic
area centralis retina
Bahamas
basic foods
bbc world service
bernville
bituminous lump coal
cancer diagnostics
canvas gaiters
captagon
carcinoma fibromedullare
cheese cement
Chemohyperthermia
childproof
chilean nitrate lf soda
coincidence techniques
cold flow pressing
commuting reductive algebras
crew supply agency
daily average production per well
Del Toro's operation
Demeclor
Dimenoxadole
dinheiro
exit designator
Fraenkel's nodules
futures markets
ghostless
gross site area
halo error
haxes
hemp jointing
high-temperature molten salt battery
horizontal invertor
hot vapor
humidifying treatment
inflammable compressed gases
Informix
internal intercooling
interpupillary adjustment
Japanese aralia
kedging
Kerrywomen
kleenexes
letters-by-letters
margo tibialis
marketing researcher
mid-eighties
monogenus
mukund
multicyclone
multiheater
naturaleza
naufragous
nee
neurosecurity
Neusäss
non-standard lift
nonionization
off ... balance
ohmma
organonitrogen
overhanging rock
paganisms
partcs
periosteal laminae
permutation test
placard board
plane grating spectrograph
plexippus paykulli
pre collected revenue
radio phonograph
reflectivism
revenewe
safe logic assembly
sales literature
sensitometric test
Spirotricha
steel pans
straw foxgloves
stria of internal granular layer
tarot
tnfrsf
tomato pulper
tothe
tourist goods
trogloditic
turbo-electric
twin-spiral water-turbine
ungraciousness
UNTEA
Vat Yellow GCN
weskit
within reason
wolfiporia cocos
wrist-brace
yarrington