曲面的主曲率

[00:05.12]What are you doing,Eddie? [00:09.38]I'm going to exercise,Hobo. [00:13.53]Are you going to climb the hill? [00:17.89]Yes. That's good.You need to exercise and keep fit. [00:25.76]Well,I want to exercise but not keep fit. [00:31.53]Come on,H

发表于:2018-11-30 / 阅读(138) / 评论(0) 分类 牛津初中英语二年级

CHAPTER SEVEN READING [00:07.78]A new newspaper [00:11.86]Soon after the term started,some Grade Eight students at May field School [00:20.32]wanted to publish a newspaper. They held a meeting. [00:26.80]Later,Arthur wrote this report about their mee

发表于:2018-12-01 / 阅读(418) / 评论(0) 分类 上海牛津初中英语八年级

[00:00.00] Uint 7 [00:02.90]Lesson 25 [00:06.14]New word and expression [00:10.08]manners [00:11.52]pl.礼貌 [00:12.96]Zak [00:14.18]n.扎克 [00:15.41]Epps [00:16.69]n.艾普斯 [00:17.97]principal [00:19.45]n.校长 [00:20.92]seat [00:22.24]n.座位

发表于:2018-12-10 / 阅读(133) / 评论(0) 分类 广州初中4A

[00:00.00] Unit 3 Sports Day [00:04.28]A It's Sports Day soon Mr Li,the PE teacher,is talking to the students. [00:12.54]Listen,look and say. [00:16.90]It's Sports Day next week.Let's get ready. [00:21.58]What can you do? [00:24.63]I can throw a ball

发表于:2018-12-13 / 阅读(98) / 评论(0) 分类 深圳小学(深港版)第七册

Principal: Well it looks to me as if we shall have to fit him in somewhere. What does Monday morning look like? Secretary: Well, Monday morning is extremely busy. You've got all the short list intervi

发表于:2018-12-26 / 阅读(94) / 评论(0) 分类 中级英语听力

Lesson58 Part Ⅰ Lesson 58 Part Ⅰ Warming-up Exercises Phonetics: Homonyms 1. a. principle b. principal 2. a. passed b. past 3. a. seize b. sees 4. a. for b. four 5. a. hear b. here 6. a. scene b.

发表于:2018-12-27 / 阅读(138) / 评论(0) 分类 英语听力入门 (全四册)

Tina was going back to school for her third masters degree. She was a Special Education teacher, but she couldnt take her job anymore, so she had quit. The kids were out of control. There were too many of them in one classroom for her to manage effec

发表于:2018-12-31 / 阅读(89) / 评论(0) 分类 365个英语简短小故事

地道美语听力播客English as a Second Language Podcast (ESLPod),是一家位于美国加州洛杉矶的英语教育研究机构推出的英文听力会话,于2005年7月23日首播, 主播Dr. Jeff McQuillan为南加州大学的语言学博士

发表于:2019-01-01 / 阅读(86) / 评论(0) 分类 地道美语播客

Grammar Girl here. Today were going to recall that the principal is indeed your pal, but well also see that a principal can be so much more. In this episode well talk about the various ways to use principlethats p-l-eand principalthats p-a-l. (These

发表于:2019-01-02 / 阅读(98) / 评论(0) 分类 英语语法 Grammar Girl

It was the first day of school. As the principal made his rounds, he heard a terriblecommotion coming from one of the classrooms. He rushed in and spotted one boy, taller than the others, who seemed to be making the most noise. He seized the lad, dra

发表于:2019-01-05 / 阅读(94) / 评论(0) 分类 趣味英语

[00:06.69]Unit 4 [00:08.27]What a big school! [00:11.22]Lesson 20 [00:13.58]Learn to Say [00:15.95]Good morning. [00:17.32]I'm Gao Jun. [00:19.40]He's our principal. [00:22.06]Hi, I'm Susan. [00:24.03]Nice to meet you. [00:25.96]Welcome to our school

发表于:2019-01-09 / 阅读(115) / 评论(0) 分类 快乐英语第六册

1. Congratulations for the new baby! 祝贺喜添丁! 2. Congratulations on the new addition to your family. 祝贺你们家喜添丁。 3. Congratulations on the birth of your child. 祝贺你们家喜添丁。 4. Congratulations on bringing this

发表于:2019-01-11 / 阅读(63) / 评论(0) 分类 英语口语

RACHEL MARTIN, HOST: In North Carolina, more than 60,000 students are starting another week without school. Their districts are still taking stock of the damage caused by Hurricane Florence, and many of the students and teachers who evacuated are sti

发表于:2019-01-17 / 阅读(90) / 评论(0) 分类 2018年NPR美国国家公共电台9月

还记得孙燕姿那首红遍大江南北的《绿光》吗?翻越过前面山顶、层层白云,绿光在哪里?不知道有多少人跟小编一样,以为歌里的绿光只是对幸福的比喻。而其实在现实中,绿光是真实存在

发表于:2019-01-28 / 阅读(78) / 评论(0) 分类 实用英语

The analogy that is usually given for explaining the curvature of space is to try to imagine someone from a universe of flat surfaces, who had never seen a sphere, being brought to Earth. No matter how far he roamed across the planet's surface, he wo

发表于:2019-01-29 / 阅读(67) / 评论(0) 分类 万物简史

The National Oceanic and Atmospheric Administration (NOAA) confirms that some of the oil escaping from that ruptured well in the Gulf of Mexico is staying beneath the surface, raising new environmental concerns about the disaster. BP says there is no

发表于:2019-01-30 / 阅读(99) / 评论(0) 分类 VOA标准英语2010年(六)月

Climate change negotiators from 173 countries have agreed on an agenda after days of bickering over the scope of talks left little time for substantive discussions. The disagreement highlighted deep divisions between developing and rich countries on

发表于:2019-01-30 / 阅读(95) / 评论(0) 分类 英语新闻

I've cheated in school when I thought that I could get away with1 it. I'm not proud of it and I don't usually feel very good about myself afterward, but sometimes it's the only way possible to survive in a pressure cooker2. My parents are really set

发表于:2019-02-06 / 阅读(82) / 评论(0) 分类 阅读空间

1 He came to China to hold a talk about the commission for his new business. 他来中国是洽谈有关生意中的佣金问题。 2 What about the commission? 佣金是多少? 3 Usually a 1% commission is given to our agent. 一般情况下,我们

发表于:2019-02-09 / 阅读(88) / 评论(0) 分类 实用英语

LOS ANGELES, June 18 (Xinhua) -- Microsoft Corp. unveiled Monday a family of tablets dubbed Surface, built on Windows 8, at an event in Los Angeles. Microsoft Chief Executive Steve Ballmer introduced the company's Surface family of tablets. The devic

发表于:2019-02-17 / 阅读(95) / 评论(0) 分类 英语新闻
学英语单词
Aegospotamos
asplenium ritoense
asthenospheres
automatic comet-seeker
barrackings
bellringer
benzyl penicillin sodium
Bessemer City
blown joint
books of joel
British grid
cervicectomy
chronograph
clearing heat and purging lung
closing dyke
clothing style
cod oils
Columbia R.
confesses
covermeter
cyberprotests
dark straw
deanery
decarburation
dendrochronologists
depreciation expensea
died on the vine
dounbies
ductile fracture toughness
Egyptian plovers
engineering drawings
extension investment
external gas injection
free beaten stock
frequency concept of probability
function rooms
generic swap
going alongside with no wind and current
heteropathies
high pressure admission
horizontal boat-shaped crucible
hot applied road tar
iminopeptide
jaw opening
Lamina visceralis
Lassing
lay speaker
lineout
lobster plants
Lodge,Sir Oliver Joseph
long duration power-frequency voltage withstand test
low pivot swing axle
marine research station
McGraw, John Joseph
mesohalobic
microbial action
Microula turbinata
mimmer
national holidays
neat-housees
nemophora askoldella
nesmith
never you mind
nobly
nocarry
nodding donkey
occasioning
Olea L.
orbital mechanics
owner-occupancy
Penicillium chrysogenum
persulfate anhydride
popovych
pouring lip
principalists
proteotoxicities
purity
reactive group
recomposers
redorange
reevaporating
remounted
sea glass
segmentation and relocation
shape description
shebah
Ship Lease Industry
sluice nozzle
stitch and bitch
straik
stress syndrome
swimeet
system of civil registration
terrandry
transcendental entire function
twist morphism
two-tailed test
variola major
vesications
Wiskott-Aldrich syndrome
Yuna, R.
zamarra