[物] 最小延迟序列

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(451) / 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(237) / 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(293) / 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(181) / 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(169) / 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(178) / 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(118) / 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(221) / 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(168) / 评论(0) 分类 2014年ESL之商务英语

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(262) / 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(186) / 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(180) / 评论(0) 分类 Scientific American(五)月

For background to asset sales, listen to January 30th 2011. At the National Party annual conference in Auckland today, the Prime Minister, John Key, gave more details of the asset sales. The minimum sale will be a $1000 parcel of shares and all New Z

发表于:2019-01-27 / 阅读(133) / 评论(0) 分类 新西兰英语

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(138) / 评论(0) 分类 阅读空间

Nasa is entering the final stages of preparation for its last ever shuttle mission, but it is keeping a very careful eye on the Florida sky. The weather over the Space Coast was atrocious on Thursday, with torrential rain falling on the Atlantis orbi

发表于:2019-02-03 / 阅读(163) / 评论(0) 分类 英语新闻

今天我们要学的词是 minimum。Minimum 最少的,最起码的。You need to keep a minimum balance of $250 in your checking account in order to avoid a monthly fee. 如果不想交月费,你活期帐户余额必须维持在250美元以上。

发表于:2019-02-04 / 阅读(155) / 评论(0) 分类 英语单词荟萃

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(191) / 评论(0) 分类 英语新闻

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(149) / 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(130) / 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(174) / 评论(0) 分类 柯南脱口秀
学英语单词
absent by enforced net deprivation
adjoint exponential transformation method
air defence computer
Alas, Selat
alternating-stress
alum tanner
arcsine distribution
ARRDO
bag limits
brahmina cariniclypeata
broad reading of the clause
bushgrass
candidate-centered campaign
cargo damage survey
cargo handling norms
Carlos Pena
check design
clear flag
cometograph
danoys
devitrifieation
dispersion interaction
domestic shipment
economizer heating surface
edental
electron bombardment-induced conductivity
equivalent production units
error extension
ethylsulfonyl chloride
fiorinia linderae
flow theory of underground water
FrancoFolies
gonarthrotomy
gradual separation
graving dock
group of an ele-ctrical apparatus for explosive atmo-spheres
guadazocine
haemic
harbour time
hinge pillar
hooka
hydro-aquil
ICAM-2
in addition (to)
indirect sharing
intracranial periostitis
iodanisol
Joy longwall loading machine
julis
La Guajira, Dep. de
laceration of muscle and tendon
latitudo sanasaii
lead citrate
letter-of-the-law
Lima, Dep.de
lineally
mako
mean p-valent function
migration
Moharram
moray eel
morphy
mothproofed
nanoflakes
natterjack
normalair
omissions excepted
osmoting
overall analysis
perlmen
perseverative
pilot actuated regulator
plastic sheet
plate welding
PRAISE (piping reliability analysis including seismic event)
priority limit
push shit uphill
putting up
quinine arsenite
radiometries
range of goods
roller-towels
rotor driven screen
running headings
saxifrages
Semper's larva
simple urethritis
SNOI
steam tunnels
steam-power plant
stereophotogrammetrical
submarine signalling equipment
thermal type
thermal-resistance type
three-unit regulator
trachylobane
transmission polariscope
trietbhlene
udd
visible arc
vox nihili
wild lead