互补碱基序列

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(240) / 评论(0) 分类 Scientific American(十二)月

发表于:2018-12-04 / 阅读(248) / 评论(0) 分类 自考英语(二)60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(241) / 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(242) / 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(172) / 评论(0) 分类 医务英语

很多人分不清compliment和complement。原因很简单:它们的发音相同,拼写也相似,但是,二者的意义则完全不同。 如果你compliment某人,你就是在表达对他们的赞赏,或者因为某件事而表扬他们。

发表于:2018-12-16 / 阅读(394) / 评论(0) 分类 李阳疯狂说英语

The 6th CF40-PIIE Economists Symposium A joint report from the China Finance 40 Forum (CF40) and Peterson Institute for International Economics (PIIE) said economic complementarity has led to win-win results in Sino-U.S. bilateral ties. It says struc

发表于:2018-12-20 / 阅读(233) / 评论(0) 分类 2017CRI中国国际广播电台

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(299) / 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(236) / 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(325) / 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(271) / 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(258) / 评论(0) 分类 Scientific American(五)月

Are You Good at Logistics? 你擅长物流吗? Now, the VOA Learning English program Words and Their Stories. On todays show we look at a few words as they relate to a famous story in American history: the Lewis and Clark Expedition. In 1803, the Uni

发表于:2019-01-12 / 阅读(211) / 评论(0) 分类 2015年VOA慢速英语(十)月

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(204) / 评论(0) 分类 阅读空间

Can 外壳 Capacitance 电容 Capture cross section 俘获截面 Capture carrier 俘获载流子 Carrier 载流子、载波 Carry bit 进位位 Carry-in bit 进位输入 Carry-out bit 进位输出 Casc

发表于:2019-02-05 / 阅读(203) / 评论(0) 分类 实用英语

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(269) / 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(197) / 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(177) / 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(258) / 评论(0) 分类 柯南脱口秀

U.S. military vacated an air base in Pakistan's southwest Sunday, meeting a December 11 deadline set by Islamabad in response to NATO's November 26 air strike that killed 24 Pakistani soldiers. The Pakistani military said it took over the Shamsi base

发表于:2019-03-02 / 阅读(1840) / 评论(0) 分类 英语新闻
学英语单词
achterberg
aeroelastic response
agri-chemicals
anaches semicylindricus
Azilda
back, loop
backshore
be a martyr to
begirdling
biological prototype
brine system
bristletails
bxs.
by fair means or foul
celiocyesis
chladniite
cholecystokinin-octopeptide
Citizens' Band
common garden canna
component of tensor
cost of overhaul
crib weir
cunt dropping
current-free field
cybercultures
cylinder feet
d'auria
decidua polyposa
diclonor
dirt separator
Domestic bonds
drag overall
duransoy
eager beaver
electric lift control
Freneuse
gas phase mass transfer coefficient
Gentiana jamesii
glow ion nitrogen furnace
GM_other-others-the-other-or-another
Graham, Sylvester
ground clearing
grounding switch
high-speed
histio-
hudson river schools
injection oil pressure
instrumental industry
interchangeable gears
Isozide
keel
kook
landammans
manufacturer's new order
mercury decomposer
mind your helm
mohoid
multiphase fluid mechanics
multivalue method
Muntx metal
net region
no shit sherlock
nonambulatory
nonparametric model
overbooker
ovoviviparousness
Papulospora
paralinguistically
pay sth out
pembreys
phones me
pressure-plate anemometer
process statement
recycling elution
retrospective search (rs)
saurognathous
seker
shirazi
smaragdites
sphaerite
standard segment
steam hose coupler
straight L/C
strained layer heterostructures
succimal
summer-houses
take a critical view of
test air tunnel
the style and stigma dry out
Thorne Bay
transfer-turnover device
triketo-cholane
uncorrelation
underscorings
vertical partition
vertical wavelength
vestigial-sideband modulation (vsm)
vismidriatic
Walyahmoing
waste water treatment by chemical precipitation process
weak focusing
wilm