un. 主分量
[网络] 主成分分析法;主因子分析;主成份

[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(234) / 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(544) / 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(205) / 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(170) / 评论(0) 分类 深圳小学(深港版)第七册

每个人都会遇到几个喜欢八卦的人,在办公室里同事之间八卦好像特别严重。这节课里我们要听听两个同事八卦另一个马上要升职的同事。好劲爆啊! 重点词汇: 1. rumor 谣言 2. whispering 说悄悄

发表于:2018-12-26 / 阅读(107) / 评论(0) 分类 美国文化脱口秀

在你和很久没见的朋友再见面的时候你该说什么好呢?你可以试试用一些今天课程中学到的新词避免尴尬。如果他们问你为什么你的英语这么地道进步的这么快的时候,不要忘记告诉他们:我

发表于:2018-12-26 / 阅读(108) / 评论(0) 分类 美国文化脱口秀

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(169) / 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(232) / 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(157) / 评论(0) 分类 365个英语简短小故事

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(175) / 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(185) / 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(182) / 评论(0) 分类 快乐英语第六册

3a [00:04.25]Read the following notice from the school principal. [00:07.61]Then fill in the blanks to complete the dialogue. [00:11.13]Each blank will need more than one word. [00:14.17] [00:15.35]End of Year Party [00:17.33] [00:18.40]I want you to

发表于:2019-01-09 / 阅读(250) / 评论(0) 分类 新目标初中英语八年级下册

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(136) / 评论(0) 分类 英语口语

New York City is not only home to the nation's most diverse population, its public school system also has the largest variety of so-called specialized schools. These academies concentrate on everything from science and the performing arts to social

发表于:2019-01-13 / 阅读(162) / 评论(0) 分类 VOA标准英语2008年(六月)

2011年的3月12日马上就要到了,我们都知道每年的3月12日是植树节,那么让我们一起去种树吧! 吴校长: Mr. Lee, we thank you for raising the issue. 李先生,我们非常感谢您提出的这件事。 李先生: You

发表于:2019-01-15 / 阅读(135) / 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(165) / 评论(0) 分类 2018年NPR美国国家公共电台9月

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(154) / 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(161) / 评论(0) 分类 实用英语

By可以被用来表示某件东西与另一物体相邻或在另一物体旁边。 'The shoes are by the road.' 鞋子在马路边上。 By同样可以表达通过的意思。 'They've been watching the boat go by.' 他们一直在观看船经过。

发表于:2019-02-13 / 阅读(142) / 评论(0) 分类 英文语法词汇
学英语单词
acicular tempered martensite
after-sales service
antimony mercaptide stabilizer
apple computers
archless continuous kiln
as well someone might
autosensitization dermatitis
basic access
before this
brushfire war
Burritoing
calymene
capillariomotor
card room
catamaran-stern hull
caviomorphs
chemical yield
collembolans
computation speedup
cottey
data type by implication
decommunization
demjanjuk
Desbordesville
disallowed machine-check interruption
diversiphiles
egl
electric tube calipers
electrical engineering system
electrochemical dimensional machining
etheogenesis ethiogenesis
fairhood
fleximeter
Foramen ethmoidale anterius
foreign services
gage widening
galliarda
gradient of field variable
Gravenstein
hard size
hippocrepiformis
history education
importees
increasings
inverse hyper-geometric distribution
junketry
Kilchenzie
laddering
limonia (dicranomyia) ebriola
long-range development program
Macdonald polynomial
magnetic levitation vehicle
mansbridge capacitor
marigot
mechanical fatigue test
Mental Accounting
mustafa kemals
nagaimo
nondifferentiable
oil groove attachment
paravant
parayyphoid-enteritidis group
pars ciliaris retina
pea grit
pilot control pump
polyphyllia talpina
pre-processing
protophage
pseudoparanoia
pteris dispar
Rabdosia gesneroides
radioisotope level gage
rapana venosa pechiliennsis
rasp out
reticently
rumizin
sea cray
sealed light valve
semi-linear
Shirase Glacier
stad
superparamagnets
tarentula
the orthodox church
Thevetosid
think tank
thrononical
tick-bite fiver
transient conduction
transparent varnish
tutufa rubeta
undershell
unearned appendage
valve seat insert replacing tool
vertical tube-flash evaporator
verticalizes
wagerers
we'l
wedmore
wet bottom gas producer
Yntaly
Zaglossus