定长序列

Editors note: This is the third episode of four-part series on verb tenses. Be sure to listen to part one and part two first. For VOA Learning English, this is Everyday Grammar. Today we are going to talk about the perfect verb tenses. Perfect tenses

发表于:2018-11-27 / 阅读(380) / 评论(0) 分类 2016年VOA慢速英语(十二)月

Section A [00:01.23]1. M: I haven't decided which subject to major in [00:04.96]physics or chemistry. [00:07.76]W: It isn't easy to choose,is it? [00:10.21]Q: What does the woman mean? [00:13.87]2. W: The map shows that this street goes downtown. [00

发表于:2018-11-29 / 阅读(151) / 评论(0) 分类 决胜四级听力必备

Section A [00:01.54]1. M: My grandpa died in 1978. I was 18 years then. [00:08.20]W: That means he would be 76 if he were alive. [00:11.49]Q: How old was his grandpa when he was dead? [00:14.45]2. M: Why are you going so fast? [00:17.53]Where are you

发表于:2018-12-01 / 阅读(171) / 评论(0) 分类 决胜六级英语听力

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Its the time of year to take a look backand thats just what the journal Science did as they listed their most important breakthroughs of 2008. At the v

发表于:2018-12-02 / 阅读(96) / 评论(0) 分类 Scientific American(十二)月

图片 by Jason Marshall Its not often someone suggests that knowing some math could make you the life of the party, but thats exactly what Im going to do. Yes, a properly timed delivery of a few fun facts about the famed Fibonacci sequence just migh

发表于:2018-12-07 / 阅读(104) / 评论(0) 分类 数学英语

[ti:UNIT 7 Enjoy Your Hobby Lesson 56:Unit Review] [0:01.051]Unit 7 [0:02.631]Enjoy Your Hobby [0:04.894]Lesson 56: [0:06.943]Unit Review [0:08.907]I. [0:10.231]Building Your Vocabulary [0:12.963]A. [0:14.500]Fill in each blank with the proper word o

发表于:2018-12-10 / 阅读(112) / 评论(0) 分类 河北教育初中英语(初中起点)八年级上

发表于:2018-12-12 / 阅读(48) / 评论(0) 分类 医务英语

This is Scientific American's 60-Second Science. I'm Steve Mirsky. Got a minute? The human genome was sequenced, and in the process of moving that forward the technology that was developed was incredible. And because of their efforts in human genome,

发表于:2018-12-24 / 阅读(135) / 评论(0) 分类 Scientific American(十)月

Describing Order and Sequence Patrick: Okay, your first task is to put all of these files in order. Maya: Wow, there must be hundreds of files in this storeroom. How am I supposed to organize them? Patrick: Create a basic filing system. Put things in

发表于:2018-12-27 / 阅读(95) / 评论(0) 分类 2014年ESL之商务英语

说一口流利的英语,从简单的单词开始。 听听,读读,背背,今天你的词汇量又增加了5个。 单词/词义 中英例句 单词听读 arm [ B:m ] He received a call to arms

发表于:2018-12-30 / 阅读(100) / 评论(0) 分类 每日攻克5词

图片 by Jason Marshall Some math is functional. Some math is fun. And some math is simply stunning. If that last description sounds improbable to you, then today just might change your mind. Because now that weve covered enough ground, were going t

发表于:2019-01-02 / 阅读(183) / 评论(0) 分类 数学英语

This is Scientific American's 60-Second Science. I'm Steve Mirsky, got a minute? Neandertals were our closest relatives. And now we know a lot more about them. Because researchers have for the first time sequenced a complete Neandertal genomethat of

发表于:2019-01-08 / 阅读(99) / 评论(0) 分类 Scientific American(八)月

This is Scientific American's 60-Second Science. I'm Steve Mirsky. Got a minute? Robin Williams thought that the platypus was cobbled together by an inebriated deity: Lets take a beaver. Lets put on a ducks bill. Now we know how weird the platypus is

发表于:2019-01-08 / 阅读(100) / 评论(0) 分类 Scientific American(五)月

Up in arms At arm's length 在美国人讲话时,或从书刊报纸上,你经常可以听到或见到一些由手臂,就是英文里的arms这个字组成的成语或俗语。有些习惯用语从

发表于:2019-01-14 / 阅读(143) / 评论(0) 分类 美国习惯用语

古埃及金字塔是奴隶制帝王的陵墓,最宏大的当为吉萨三座大金字塔。塔基呈方形,每边长230米,高146米,用230余万块巨石(每块平均重达2.5吨)垒成,国王墓室用一块400吨重的石板垒成。整体规

发表于:2019-02-01 / 阅读(69) / 评论(0) 分类 阅读空间

BEIJING, Aug. 22 (Xinhuanet) -- Researchers have discovered how a human egg captures an incoming sperm for fertilization, paving the way to help couples suffering from infertility, according to media reports on Monday. An international team of resear

发表于:2019-02-08 / 阅读(105) / 评论(0) 分类 英语新闻

[00:39.12]height 高度 [00:43.33]length 长度 [00:47.42]mathematician 数学家 [00:52.35]be required to do something 被要求做某事 [00:58.34]measuring tape 卷尺 [01:04.45]A team of mathematicians were required [01:06.76]to measure the heigh

发表于:2019-02-15 / 阅读(104) / 评论(0) 分类 英语笑话(MP3+文本)

Listen to the schedule of a business trip. Fill in numbers l-8 to point out the sequence of the schedule. I'm leaving for Milan on the 7th of June. l'II arrive there on the 8th evening at about 7:OOpm. Then, l'II take a shuttle bus to the hotel. On t

发表于:2019-02-17 / 阅读(75) / 评论(0) 分类 英语听力练习题

Listen to the dialogues and write the correct sequence of l-6 as mentioned in the dialogues. A:How do I search books from the computer? B:First, key in your PIN number. Then, it goes to the Library's Homepage. Then, you can choose any way you want to

发表于:2019-02-17 / 阅读(60) / 评论(0) 分类 英语听力练习题

Thank you for being here,Fareed.Nice to have you on the show. 多谢你抽空前来 法里德 很高兴你能来上节目 Let's get started first with your background.I do think I know a lot about you. 首先聊聊你的背景 我觉得我很了解你

发表于:2019-02-23 / 阅读(64) / 评论(0) 分类 柯南脱口秀
学英语单词
acrothymion
administrative overheads
AdvP
aminohexose
amphinemura flavinotus
angular velocity transducer
antimagnetic force
arresting stop
atomic bomb casualty commission
baby wranglers
beam expanders
Bioquinones
bone marrow culture
breitsal (geiersberg)
brodski
Cao Lanh
Cinnamomum argenteum
compound gland
Cuevas de San Clemente
cyclizines
Cynanchum boudieri
Cypripedium montanum
departmental manufacturing overheads rate
disjourn
Djangoa
dynamics of rigid bodies
EBCS
embroidered satin shoe
enacting state
enisoprost
exclusively preferences in force
factoryhand
fair deals
gift tokens
grant access
heat sore
heedfull
Hemsleya dipterygia
homotopic critical point
immunological suicide
intensity of lights
interchurch
Internet Protocol next generation
juvenile-detention
Karatoya R.
keep secret
laboratory rotor mill
limited translation estimator
Liugui Township
LLL (low level logic)
locomotive engineer
logaoedics
malarboreine
Medjerda, Mts.de la
missile dynamics
mitries
multiconnected
multiple-media photogrammetry
narrowleaf globemallow
nasutions
network protection
nitro bacteria
off-gas holdup pipe
order picking problem
original valley
overflow access
overpriced
oxide-copper
passive clot
pecten ossispubis
plasma turbulence reactor
preisser
public mischief
recursion-formation principle
reflection matrix
regular holohedral class
reverse loop pairing
ring discharge ion laser
root-time law
scammees
shariffs
socially
specified file format
sporadic fault
storage cycle
strategic support squadron
t-town
Tarquinian
telemetering STD profiling system
time selection circuit
Trikozol
triple-play
triplespines
type of decay
ultraenergetic
ungersons
unkings
uvomorulin(E-cadherin)
virtual firewall
waggly
weirding out
Windows workstation