椭圆曲线的周期

[00:00.00]在线英语听力室( www.tingroom.com )友情制作 [00:05.20]1995 [00:07.51]Sleep is divided into periods of so-called REM sleep, [00:11.56]characterized by rapid eye movements and dreaming, [00:14.68]and longer periods of non-REM sleep. [00:17.50

发表于:2018-11-30 / 阅读(196) / 评论(0) 分类 历年考研英语完型填空

Estranged Family Gets Sports Fix in 'Trouble With The Curve' In Trouble With The Curve, Gus Lobel knows more about scouting new talent for baseball teams than anyone else in the business; but his failing eyesight and old-fashioned attitudes may end h

发表于:2018-12-16 / 阅读(187) / 评论(0) 分类 VOA标准英语2013年(一月)

There's another reason that talking to your doctor about your health and gross stuff is really, really important. 与医生谈论健康和恶心的东西有很重要的另外一个原因。 Doctors and the scientific community can only address issues

发表于:2018-12-19 / 阅读(113) / 评论(0) 分类 TED演讲科学篇

After suffering a life-threatening illness, singer-songwriter Mary Chapin Carpenter had time to reassess her priorities. She came to believe in more fully appreciating the blessings each day brings From NPR News, this is weekend edition. I am Liane

发表于:2018-12-19 / 阅读(174) / 评论(0) 分类 2007年NPR美国国家公共电台

P: Hey Yang Chen why are you playing Hail to the chief? I thought we were a sports show - are we going political? Y: Not really. You see, Patrick, the presidential election is in its final stretch - the home stretch - the final lap - just like in长跑

发表于:2018-12-25 / 阅读(210) / 评论(0) 分类 体育美语

Major Historical Periods Livy: Tell me again why were here on a Saturday afternoon. Nicholas: Youre going to love this museum. It has artifacts and exhibits from all the major periods in history, from prehistoric days to the present. Livy: Hmm, fasci

发表于:2018-12-27 / 阅读(147) / 评论(0) 分类 2015年ESL之日常生活

76 years after Pluto's discovery and after 17 years of research and development, Nasa's new Horizon Spacecraft sets out for Pluto. Travelling at around a million miles a day, it's on a 9-year, 700-million-dollar journey to reach Pluto and review its

发表于:2018-12-27 / 阅读(764) / 评论(0) 分类 探索与发现2015年

我们今天学的词是:planet。Planet是行星。不过你听说了吗,太阳系中排行第九的行星冥王星Pluto被降级了。Astronomers' reclassification strips ninth planet of status in solar system. 国际天文学会对行星重新定

发表于:2018-12-30 / 阅读(149) / 评论(0) 分类 英语每日一词

Three periods of my youth About the twelfth year of my age, my father being abroad, my mother reproved me for some misconduct, to which I made an undutiful reply. And The next first-day, as I was with my father returning from meeting, he told me tha

发表于:2018-12-31 / 阅读(281) / 评论(0) 分类 英语名著名段背诵精华

to throw a curve to throw for a loop 美国人在打棒球时经常喜欢发曲线球,使球的方向会发生突变,这样给对方造成错觉,不能回击那个球。这和其他球类运动,

发表于:2019-01-07 / 阅读(265) / 评论(0) 分类 美国习惯用语

Home on the Way旅人的家People need homes: children assume their parents' place as home; boarders call school home on weekdays; married couples work together to build new homes; and travelers have no place to call home, at least for a few nights. 人

发表于:2019-01-08 / 阅读(109) / 评论(0) 分类 实用英语

Grammar Girl here. Today's topic is units of measurethose words and symbols that come after numbers. This first point might seem self-evident: you put a space between the number and the unit of measure. Even though it seems obvious, I'm telling you b

发表于:2019-01-30 / 阅读(144) / 评论(0) 分类 英语语法 Grammar Girl

今天又要学两个在总统大选年里新闻界时常会用到的习惯用语,而且这两个习惯用语还是从美国人最心爱的消遣活动: 棒球赛中借用来的。 这两个习惯用语都和用牛皮制成的结结实实的棒球有

发表于:2019-02-05 / 阅读(451) / 评论(0) 分类 美国习惯用语

Women's shopping habits linked to periods In the ten days before their periods begin women are more likely to make extravagant impulse buys, according to researchers. Psychologists believe that shopping sprees could be a way for premenstrual women to

发表于:2019-02-06 / 阅读(159) / 评论(0) 分类 阅读空间

【原文】 Controlling Your ConcentrationCONCENTRATION IS CENTERING YOUR ATTENTIONPsychologically defined, concentration is the process of centering one's attention over a period of time. In practical application, however, concentration is not as s

发表于:2019-02-16 / 阅读(146) / 评论(0) 分类 英语听力广播—Listening

About the twelfth year of my age, my father being abroad, my mother reproved me for some misconduct, to which I made an undutiful reply. And The next first-day, as I was with my father returning from meeting, he told me that he understood I had behav

发表于:2019-02-17 / 阅读(131) / 评论(0) 分类 阅读空间

其实,推断题没有想象中的那么难,因为托福文章有很清晰的逻辑架构,T(topic)+A(aspect)+A(attitude)的篇章结构和TS(topic sentence)+D(detail)的段落结构是几乎每节课我都会提到的,只有明白了文章的写

发表于:2019-02-18 / 阅读(163) / 评论(0) 分类 托福英语

Home on the Way 旅人的家 People need homes: children assume their parents' place as home; boarders call school home on weekdays; married couples work together to build new homes; and travelers have no place to call home, at least for a few nights

发表于:2019-02-18 / 阅读(111) / 评论(0) 分类 英语美文

我们今天学的词是:planet。Planet是行星。不过你听说了吗,太阳系中排行第九的行星冥王星Pluto被降级了。Astronomers' reclassification strips ninth planet of status in solar system. 国际天文学会对行星重新定

发表于:2019-02-24 / 阅读(198) / 评论(0) 分类 学个词

Part IV Dangerous Planet 第四部 处境危险的行星 The history of any one part of the Earth, like the life of a soldier, consists of long periods of boredom and short periods of terror.British geologist Derek V. Ager 地球的任何一部分历史

发表于:2019-02-25 / 阅读(131) / 评论(0) 分类 万物简史
学英语单词
a packet vessel
Adak
Adobe Flash Media Server
algolagniaphile
allowable defect
angle of the posterior carina
anucleate cell
aquifer injection
balancing rheostat
bearing seizure
betula cordifolias
Butenandt
capacity of competition
carbon acid solution
cataract
character display
chelyabinsks
Chinese pheasant
Ciasna
Contessa, Pta.della
coronin
cratylisme
current-awarenesses
cut-off period
cutting dise
DelCastillo
end page condition
environmentally
explored reserve
flockier
follow-up point
forchure
fossae chordae ductos venosi
free-weight
freezing spinning
fresh squeezed juice
fried shrimps balls
germanischer lloyd (gl)
group handles
gryest
hamud
head south
high-pressure binder spreader
ICRA
insapient
interphalangeal joints
kc/s (kilocycles per second)
Kien An
laboratory frame of axes
lancin
laquisha
lavande
marshall islandss
memory operating characteristics
misarrangements
murmurers
nonshared subchannel
Nuwākot
Nyahuka
octadecatrienoic acid
opportunity cost
oscillating cylinder angle
Pedicularis scolopax
pleurosigma rostratum
powered flight trajectory
preferential absorption
prestressed-concrete pile
primal therapist
priviligentsia
quadrantic hemianopsia
R.C.D.
re-sentencings
reheating hot well
restart procedure
rosybrown
routing information base
running slag
rustily
Schneider
second strike
selfhoods
solable
sparkable
stage of introduction
Stagnicola
stay the pangs of hunger
swine industry
taxiphyllin
theivil
tinged
tractus supra-optico-hypophysialis
tumen
twin articulated vehicles
ultradry
unshepherdlike
vacuum leak hunting
vernacular dwelling
wacked off
Waiouru
weaver's hitch
winder step
ya'akov