spherical triangle
【几何学】球面三角形,弧三角形

Text Can you prove that the earth is round? Go ahead and try! Will you rely on your senses or will you have to draw on the opinions of experts? WHY DO WE BELIEVE THAT THE EARTH IS ROUND? George Orwell Somewhere or other — I think it is in the prefa

发表于:2018-12-04 / 阅读(379) / 评论(0) 分类 大学英语精读第四册

Do you know so many of you will climb into your cars today perhaps to shuffle your children to soccer, to football, make their (refer to the cars) run to the grocery store. But do you also know what's

发表于:2018-12-11 / 阅读(209) / 评论(0) 分类 万花筒2006年

[00:00.00] MODULE 6 NUMBERS AND SHAPES [00:06.59]Unit 16 What Shape Is This? [00:13.14]VOCABULARY [00:16.20]they they're=they are shape circle [00:22.43]他(她,它)们 他(她,它)们是 形状;图形 圆 [00:28.66]these triangle square rectangles

发表于:2018-12-13 / 阅读(179) / 评论(0) 分类 广州小学三年级 (上) 课本

[00:00.00] MODULE 6 NUMBERS AND SHAPES [00:06.58]UNIT 16 What Shape Is This? [00:12.64]Words and Expressions [00:16.90]they [00:18.08]他(她,它)们 [00:19.25]they're=they are [00:22.88]他(她,它)们是 [00:26.51]shape [00:28.50]形状

发表于:2018-12-13 / 阅读(204) / 评论(0) 分类 广州小学三年级 (上) (学生用书)

北京奥运28大项 参与,竞争,分享,进步 Handball 手球 PLAYING TIME 比赛时间 英文原文 The normal playing time for all teams with players of age 16 and above is 2 halves of 30 minutes. The half-time break is normally 10 minutes. The ball is made of leat

发表于:2018-12-30 / 阅读(304) / 评论(0) 分类 奥运28大项比赛

Declassify US government documents and witness testimony from former or retired US military personnel confirm beyong any doubt the reality of ongoing UFO incursions at nuclear weapon sites. When I say UFO, the witnesses have described this craft as d

发表于:2019-01-08 / 阅读(241) / 评论(0) 分类 CNN2010年(十)月

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. When we think about how to represent sound visually, most of us probably picture those volume-dependent sine waves. But thats not how John Stuart Reid

发表于:2019-01-08 / 阅读(225) / 评论(0) 分类 Scientific American(一)月

If youve ever had a garden or grown flowers in a window box, youve probably heard that you shouldnt water your plants at high noon because their leaves might scorch. Now a study in a journal called New Phytologist confirms that water droplets can foc

发表于:2019-01-08 / 阅读(260) / 评论(0) 分类 Scientific American(一)月

Little ZeKe and the Triangles 小齐克和三角形 Little ZeKe lives in Emma's desk at school. 小齐克住在艾玛学校的课桌里。 Usually he eats, sleeps and works in Emma's desk. 通常他在艾玛的课桌里吃饭、睡觉。 Sometimes he

发表于:2019-01-09 / 阅读(278) / 评论(0) 分类 冀教版小学英语(三起)--第七册

MODULE 6 NUMBERS AND SHAPES\n [au:]模块6 数字和形状\n [00:05.86]UNIT 16 What Shape Is This?\n [au:]第16单元 这是什么形状?\n [00:12.46]Dialogue\n [au:]对话\n [00:14.41]Look and listen. Then read and act in groups.\n [au:]看和听。

发表于:2019-01-09 / 阅读(354) / 评论(0) 分类 广州版金太阳小学英语三年级上

UNIT 18 Lets Go Further\n [au:]第18单元 拓展学习\n [00:04.56]Story Time\n [au:]故事时间\n [00:06.94]Look and listen. Then read and act out the story.\n [au:]看一看,听一听。然后朗读和表演这个故事。\n [00:12.86]Mr Leo: L

发表于:2019-01-09 / 阅读(288) / 评论(0) 分类 广州版金太阳小学英语三年级下

[ti:UNIT 5 Li Ming Goes to Canada Lesson 37] [0:00.707]UNIT 5 [0:02.295]Li Ming Goes to Canada [0:04.909]Lesson 37 [0:07.118]Mr. Wood's Lesson [0:09.734]THINK ABOUT IT! [0:11.283]What is the weather like in your city today? [0:15.000]What is the temp

发表于:2019-01-09 / 阅读(326) / 评论(0) 分类 河北教育初中英语(初中起点)七年级下册

You see the larger wing area here. 你们可以看到这儿有面积更大的翅膀。 Also, clearly, it was such a powerful thing,we wanted to try and bring other people but we couldn't figure out how to do it. 而且,这还是件很有影响力的事

发表于:2019-01-18 / 阅读(204) / 评论(0) 分类 TED演讲娱乐篇

Conversation Two 23. A. He visited it in person. B. He learned from a friend about it. C. He read of it in a magazine. D. He knew the sculptor. 24. A. They are very expensive. B. They weigh very much. C. They are made of pieces of aluminum. D. They h

发表于:2019-01-25 / 阅读(262) / 评论(0) 分类 英语四级听力-短对话

生活大爆炸第一季第九集_3:The Cooper-Hofstadter Polarization Okay, I'm leaving for the conference. 好啦,我要去参加会议了。 -Sheldon:Have fun presenting my lucky hunch. 祝你报告我的小运气愉快。 -Leonard:Shel, I

发表于:2019-01-28 / 阅读(201) / 评论(0) 分类 生活大爆炸第一季

每年,《时代周刊》都选出让世界更美好、更智能、更有趣的发明。今年的也能让你大吃一惊哦! 1.The Levitating Lightbulb 1.悬浮灯泡 Since he was a child, Simon Morris has been obsessed with making objects float

发表于:2019-02-01 / 阅读(287) / 评论(0) 分类 阅读空间

For one thing, if this was just the Ebbinghaus effect, 首先,如果真是艾宾浩斯效应, then we would expect the moon illusion to disappear for pilots flying high above the clouds 那么我们应该预期月球错觉对于空中的飞行员来

发表于:2019-02-13 / 阅读(234) / 评论(0) 分类 TED演讲教育篇

Science and technology 科学技术 Investigating the asteroids 小行星探测 Dawn's early light 黎明号初试锋芒 A mission to the asteroid belt will visit leftovers from the solar system's formation 小行星带探测任务将造访太阳系形

发表于:2019-02-16 / 阅读(255) / 评论(0) 分类 经济学人科技系列

Some of the tallest trees in the world are under threat from poachers. Parts of the redwood forest park have been closed off after a 400-year old tree was cut down. More and bigger burls are being taken near former logging towns where the economy has

发表于:2019-03-04 / 阅读(240) / 评论(0) 分类 英语听力精选进阶版

Under this head I reckon a monster which, by the various names of Fin-Back, Tall-Spout, and Long-John, 在这个项目下,我不禁想起一种有着许多名称的巨兽来:脊鳍鲸,高喷鲸,长约翰鲸, has been seen almost in every sea and is c

发表于:2019-03-10 / 阅读(236) / 评论(0) 分类 白鲸记
学英语单词
a princess of the blood
aeronomical
alertness
all electric interlocking
animal skin
annular producer
apostolic nuncio
asebotin
automatic blip-scan counter system
bead bobbin
beam recombination prism
bekinkinite
broken reeds
cefrotil
Ceres
civil societies
colored fire
coloring of node
cross-harbours
dilapidated building
evaporator core
exact rhyme
Exploring the net
extended type
fire climax
fit to
flasque
flexible coating
flower-seller
frock flick
fuelings
gapings
general casher
genus polygalas
graphite natural
grows
Hemacombistix
honnighausen
hydroxyglabrol
ice sample
iland
incubator thermometer
intertexed
intrusive breccia
Isovolume
jaws
jihaded
lateral ground bundle
LaxagetenTriacephentinum
Leriche's syndrome
lost calls held
lumpens
magistral
majolica colour
Maytenus inflata
meloid
molybdenum blue colo(u)rimetry
neuks
new-employee
non-competition energy
nuclei restiformis
nurserypeople
Oristano, Prov.di
ovarial
oxide trapped charge
paradoxical diaphragm phenomenon
pellicane
Pinghu
Poroshenko
Porpita
posting audit
precisionaire
Preesall
pseudomonosomic(hiorth 1948)
reedfish
riverward
rock-fill dam with face slab
rotary current converter
rotor stress distribution
Russian SFSR
semi-open slot
sheath removing device
sine-wave input
skippership
Sorbus wilsoniana
spam fax
spherically
squamatic acid
strain-gage amplifier
supersonic airstream
suturae frontolacrimalis
Suzukia luchuensis
to-stick
tourment
unclosable
unfilled corner
V process
vacuolisation
voltage multiplier
von karmen radome
work the stem
xanthellus