[数] 异点序列

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(435) / 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(214) / 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(271) / 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(160) / 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(155) / 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(166) / 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(95) / 评论(0) 分类 医务英语

Asies Mi Amor, dulcisima y sensual es miel y flor mi aliento en el dolor me da valor cuando no puedo mas, me ense?a dar, me ayuda a perdonar, asi es mi amor, bellisima y sensual, sentimental amante si

发表于:2018-12-14 / 阅读(160) / 评论(0) 分类 英语歌曲第七辑

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(201) / 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(151) / 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(243) / 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(169) / 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(165) / 评论(0) 分类 Scientific American(五)月

[0:0]dispute争论,争吵 [0:42.6826]dissolve distinct distinguish distress溶解,融化 清晰的,不同的 区别,辩别 痛苦,悲伤,忧虑 [1:37.6804]distribute dissturb ditch dive分发,分选,分配 打扰,妨碍 沟,渠道 跳水,潜水 [2:20.8912]diverse division divorce documen

发表于:2019-01-16 / 阅读(227) / 评论(0) 分类 闭着眼睛飘单词 四级词汇

Butterfly Shows Speciation Sign A study in the journal Science looks at Heliconius butterflies in Ecuador, in which a single gene change that influences mate choice may be the first step in the splitting of the population into two species. Cynthia Gr

发表于:2019-01-30 / 阅读(264) / 评论(0) 分类 60秒科学

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(127) / 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(172) / 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(132) / 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(110) / 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(157) / 评论(0) 分类 柯南脱口秀
学英语单词
.cmv
active zone
air blowing treatment
algologist
Altairians
Amydrium sinense
anthurium
architectural morphology
backward thrust
blacklight
botti
bounce control
branchia (pl. -iae)
central cord syndrome
ceramics for mounting purposes
chupp
classfellow
classic cesarean section
colchicoside
colour coordinate transformation
comparison mode
crotising
direct order recording and invoicing system (doris)
direct-entries
early abortion
East Cowes
electric thermal desiccator
endoscopic snare
equivalent width of jet
ethnic discrimination
examination of ovarian function
feel like sth
femininity
ferrous iodide
fit-up
flat way
Gayaza
Georgia Southern University
gonadotropism
graft and embezzlement
group to terminal
haik
heckels
hemal lympb glands
Holothuroidea
horizontal clamping
illegitimating
incompressible stratum
input/output device assignment
iridocyclitis
iso-ikonic
jauch
junkas
kern stone
klizoglyph
law enforcement access area
lined in
linguofacial trunk
lysinogenic response
mailmerged
mazin
meteorological satellite
moisture cream
morphometrically
Mount Baldy
Mughr
multiplexed analogue component system
nervi femoralis
ngwee
nightclothess
nitrosimines
oiran
outer rance
parallel computation
peer of the realm, peer of the United Kingdom
proactive marketing
propeller laboratory
rectifier cell
restrained motion
rigid conduit
Rishworth
rotating disk extractor
soil water desorption curve
solid-state source
squeaky clean
stone-cutter
stress of ultimate tenacity
strong ground motion
sun rivers
synthetism
tank gunnery trainer
target data
teetotalists
the celtic fringe
the count
theory of anharmonic
tilling unit
transparent glass ceramics
two-handled knife
workpiece arrangement device
zigler