(天体高度表)表列高度;计算高度

Of the many puzzles mathematicians ponder, one is new ways to tie knots. There are more than six billion different types of knots that have been tabulated by mathematicians. Six billion. David Leigh, a chemist at the University of Manchester in the U

发表于:2018-12-24 / 阅读(212) / 评论(0) 分类 2017年Scientific American(一)月

Knot Not Easy to Knot 看结容易 打结难 Of the many puzzles mathematicians ponder, one is new ways to tie knots. There are more than six billion different types of knots that have been tabulated by mathematicians. Six billion. David Leigh, a che

发表于:2018-12-24 / 阅读(130) / 评论(0) 分类 2017年Scientific American(二)月

Two pilots recently set a new altitude world record for gliders. A glider is an aircraft that does not have an engine. They are pulled into the air by powered airplanes and then released. They are designed to ride warm, rising air to gain altitude. T

发表于:2019-01-03 / 阅读(268) / 评论(0) 分类 2017年VOA慢速英语(九)月

Burkina Faso's Compaore Claims Victory, Angers Opposition 布基纳法索总统龚保雷的获胜激怒反对派 Opposition candidates also say there was fraud, but that it's impossible to prove, accu

发表于:2019-01-03 / 阅读(183) / 评论(0) 分类 VOA2005(下)--国政军事聚焦

By Nico Colombant Kinshasa 31 October 2006 Election officials in the Democratic Republic of Congo have denounced the announcement of speculative results, following Sunday's decisive second-round presidential election. They have called for patience a

发表于:2019-01-09 / 阅读(175) / 评论(0) 分类 2006年VOA标准英语(十月)

In Ghana, election officials are counting the votes from Sunday's elections and unofficial returns show that with more than one-third of the constituencies tabulated, two leading candidates are in a tight race for the presidency. Election observers

发表于:2019-01-13 / 阅读(135) / 评论(0) 分类 VOA标准英语2008年(十二月)

Vote Counting Underway After Big Voter Turnout in Kenya Voters began lining up in the early morning hours at this polling station in Gatundu. Huge turnout across the country overwhelmed polling stations, and many, like Lucas Nganga, waited hours to v

发表于:2019-01-14 / 阅读(130) / 评论(0) 分类 VOA标准英语2013年(三月)

HAIKOU, Jan. 28 (Xinhua) -- China's aviation authorities(民航当局) on Friday started to allow helicopters to fly in low-altitude airspace over the tourist island of Hainan on a trial basis for the first time. The aim is to eventually open a part

发表于:2019-01-19 / 阅读(205) / 评论(0) 分类 英语新闻

SHENYANG, Aug. 23 (Xinhua) -- China will relax the ban on the use of low-altitude airspace across the country starting in 2013, the country's air traffic authorities said Thursday. A series of reforms will be implemented in five to ten years, creatin

发表于:2019-01-22 / 阅读(194) / 评论(0) 分类 英语新闻

It's the worst one-day sell-off on Wall Street since after the 9/11 attacks. Stock prices plunged today across the board and around the world. The Dow Jones Industrial Average was down about 416 points at the closing bell and at one point it fell un

发表于:2019-01-26 / 阅读(129) / 评论(0) 分类 商业报道2007年

By the time Terman was finished, he had sorted through the records of some 250,000 elementary and high school students, 当所有测试结束时,特曼已经得到了250 000名中小学学生的测试结果, and identified 1,470 children whose IQ

发表于:2019-01-29 / 阅读(138) / 评论(0) 分类 异类:不一样的成功启示录

By Scott Bobb Johannesburg 04 December 2006 Madagascar President Marc Ravalomanana casts his ballot in Antananarivo, 3 Dec 2006 In Madagascar, preliminary returns from Sunday's presidential election show the incumbent in the lead. International obse

发表于:2019-02-04 / 阅读(177) / 评论(0) 分类 2006年VOA标准英语(十二月)

GUIDE, China, Jan. 12 (Xinhua) -- The 3rd International Extreme Race of Winter Swimming across Yellow River started here in northwest China's Qinghai Province on Saturday. Being hosted in Guide County at an altitude of 2,200 meters in Tibetan Plateau

发表于:2019-02-09 / 阅读(152) / 评论(0) 分类 英语新闻

如何表达“高原反应”

发表于:2019-02-09 / 阅读(147) / 评论(0) 分类 英文语法词汇

Britain's foreign secretary say he has serious concerns about election fraud allegations swirling after last month's Afghan presidential vote and David Miliband says a thorough investigation is required. David Miliband (File photo) Even before the A

发表于:2019-02-12 / 阅读(122) / 评论(0) 分类 VOA标准英语2009年(九月)

boarding check 登机牌 plane ticket 飞机票 flight, flying 飞行 bumpy flight 不平稳的飞行 smooth flight 平稳的飞行 ramp 扶梯 altitude, height 高度 extra flight 加班 non-stop flight 连续飞行 circling 盘旋 forced landing 迫降

发表于:2019-02-12 / 阅读(124) / 评论(0) 分类 实用英语

In Ghana, election officials are counting the votes from Sunday's elections and unofficial returns show that with more than one-third of the constituencies tabulated, two leading candidates are in a tight race for the presidency. 加纳的选举官员正

发表于:2019-02-14 / 阅读(107) / 评论(0) 分类 VOA双语新闻 2008年12月

Obama, Romney exchange barbs as jobs number improves WASHINGTON, Oct. 5 (Xinhua) -- U.S. President Barack Obama and his Republican challenger Mitt Romney intensified attacks against each other on Friday, as they reacted to a newly improved jobs numbe

发表于:2019-02-18 / 阅读(113) / 评论(0) 分类 英语新闻

Wood, Stone, Steel, Glass 木材,石头,钢铁,玻璃 On May 19, 2001, the first Apple store opened in Tyson's Corner, Virginia, 2001年5月19日,第一家苹果零售店在弗吉尼亚州的泰森角开业了。 with gleaming white counters,

发表于:2019-02-19 / 阅读(111) / 评论(0) 分类 乔布斯传

Change altitude 改变高度 Rebecca had decided that her best chance of getting hired by a company doing geological survey work in the Alaskan wilderness was to earn a private license to fly twin-engine planes. 丽贝卡觉得,要想进入在阿拉斯

发表于:2019-03-15 / 阅读(260) / 评论(0) 分类 找谁倚靠(慢速)
学英语单词
abusively
actions at law
aerodynamic area
agar(o)biose
Aliceyrek
antihum
appearance time
automatic gas cutting machine
bambusaspis bambusicola
behaviour-based
Bulbophyllum shweliense
bushing insulator
butcherliness
buying and selling of debts
cluckiest
coal seam floor contour map
coarse-scale modulator
copywrite
cromagnon
dance orchestra
departmental overhead rate
dermatomyotome
doorway state
dual currency recorde
ECHOFIG
eddy flux
egg-insulator
face condition
featheries
filch
frigor
genus encyclias
genus nitellas
giftedly
Girvan
gowd
half-power points
high-paid
iceskating
Ilex sublongecaudata
ilfs
incumbing
innovate on
inspiriting
intercept distortion
kniphofias
learn ... lesson
lemaireocereine
likerish
Lowick
Mail float
minoritising
Mittelmeyer's tests
mofe
National Geographic
neuropsychopharmacologist
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nucleus estate
Old Hundred
orvillite
oxidation products
panstellar
parity value
parking-brake
person schema
phasmid insect
phenol ointment
philanthropic activity
physopelta gutta gutta
play double
plentious
pleomorphic hyalinizing angioectatic tumor of soft part
polyploid complex
Port Loko
prevosts
processus styloides
qajaq
reply-paid
rivermont
rotationally cooled laser-induced fluorescence
Saladin turner
section engineer
segmental orifice plate
single valve knapsack pump
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stenoplastic
super monopoly
sutura vomeropalatina
take stock of
top-of-the-show
total evaporator
tough-guys
Transclomifene
uk video
unequivocable
unfructuosity
ushio
vertex-oriented grammar
wave ... wand
werely
yucky