分段多层焊,叠置次序

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(504) / 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(287) / 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(339) / 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(207) / 评论(0) 分类 Scientific American(十二)月

发表于:2018-12-04 / 阅读(216) / 评论(0) 分类 自考英语(一)78讲

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(198) / 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(199) / 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(142) / 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(260) / 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(199) / 评论(0) 分类 2014年ESL之商务英语

今天学的词组是block。Block有障碍物的意思。比如road block -- 路障,Police put up a road block to stop the demonstrators, 警察为阻止抗议者设置了路障。作为动词,block也有阻塞,拦阻的意思。比如施工造成

发表于:2018-12-30 / 阅读(208) / 评论(0) 分类 英语每日一词

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(301) / 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(235) / 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(212) / 评论(0) 分类 Scientific American(五)月

Sorry,there is not text temporarily, Please help tingroom to look for it! 如果您能找到更好的听力原文,请发贴到 听力原文收集区 ,您将会获得10到30积分的奖励! Thank you!

发表于:2019-01-08 / 阅读(197) / 评论(0) 分类 英语单词荟萃

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(170) / 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(227) / 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(173) / 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(153) / 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(206) / 评论(0) 分类 柯南脱口秀
学英语单词
accident report
acetonie
all one knows
almond rock
amniomancy
anti-christs
Ardon, Mordecai
artificial hole set
auto call unit
autocat
bromine hydrate
cast ... vote
cattle-yards
closed-system separator
coryphaena equiselis
Cupressus arizonica
debt-relief
decarbamylation
default drawing attribute
double-speed motor
dovetail hinge
dynamic mechanical behavior
eczema craquelatum
educational technology information
etudes
Eulalia pallens
fetch one's breath
FHR-UC
fictocritical
First-day
Gaxandho
GDWQ
glial nodule
heating value efficiency
helicidaes
herpes desquamans
humorizes
hypotropias
I-Kiribati
incogitant
intake with artificial bend
inview
keyway fraise machine
leather block
life cutter
macroscopic theory
make a hare of sb
mans up
maravens
masharawi
mending plate
meter mercury column
money-lender
moor anchors ahead
Multisation Access Unit
notched serrated sickle
orchesta tipica
ostrage
out-marriage
outside fire box sheet
Paenibacillaceae
plantar interosseous muscles
platinic
Polytrias amaura
principal character
pseudogastrula
psgchobiology
ptyas mucosuss
punched plate screen
Ramsayville
reactor transient behaviour
reganbooks
regular sweep
Road-guard
run away speed
russeau
scanning slit
sea rat
self-kill
self-launching sailplane
skin heating
social value
stickhandlers
stylus printer
subharmonic generation
the dragon boat festival
the wall street journal
things movable
three stages hot air conveying type dryer
time-shared bus
tooth angle device
Tricomoniasis
tuned radio-frequency
turpidometer
unipotent elements
vapor and water mixing heater
verga
viborra
villaless
visceropathy
went so far as to
white vitriol (goslarite)