依赖DNA的RNA聚合酶

坚持不懈,直到成功。 我们每天的奋斗就像对参天大树的一次砍击,头几刀可能了无痕迹。每一击看似微不足道,然而,累积起来,巨树终会倒下。这恰

发表于:2018-12-08 / 阅读(117) / 评论(0) 分类 四六级词汇与结构练习

[ti:UNIT 2 DNA Lesson 10 What Is DNA?] [0:02.300]UNIT 2 第二单元 [0:03.936]DNA [0:06.098]Lesson 10: 第10课: [0:07.918]What Is DNA? 什么是DNA? [0:10.668]THINK ABOUT IT! 想一想! [0:12.400] Do you and the students near you look the sam

发表于:2018-12-10 / 阅读(190) / 评论(0) 分类 河北教育初中英语(初中起点)九年级下

[ti:UNIT 2 DNA Lesson 13 Clones Are the Same] [0:00.788]UNIT 2 第二单元 [0:02.442]DNA [0:05.530]Lesson 13: 第13课: [0:07.106]Clones Are the Same 克隆人是一样的 [0:09.703]THINK ABOUT IT! 想一想! [0:11.155] You have a pet that you l

发表于:2018-12-10 / 阅读(237) / 评论(0) 分类 河北教育初中英语(初中起点)九年级下

发表于:2018-12-12 / 阅读(103) / 评论(0) 分类 医务英语

By Roger Hsu Mephis, Tennessee 17 August 2006 watch Museum report The National Ornamental Metal Museum in Memphis is devoted to the conservation and advancement of metalwork. It is a place where metal smiths become synonymous with artists and where

发表于:2019-01-06 / 阅读(230) / 评论(0) 分类 2006年VOA标准英语(八月)

说起know这个词,我们大概不用过脑子就能说出它是知道的意思。不过,在不同的语句中出现的时候,这个词表达的意境也不尽相同,比如下面这些句子: 1. To know everything is to know nothing。 样样

发表于:2019-01-08 / 阅读(186) / 评论(0) 分类 英语日常口语

Australia's Muslim leaders have opened their mosques and schools to house Roman Catholic pilgrims for World Youth Day as part of efforts to ease interfaith tensions. The Australian Federation of Islamic Councils is also planning mixed-faith sporting

发表于:2019-01-13 / 阅读(135) / 评论(0) 分类 VOA标准英语2008年(七月)

U.S. Defense Secretary Robert Gates visited Western Iraq Wednesday, the place where U.S. troops and local tribal leaders began an effort four years ago that helped turn the tide of the Iraq war. Gates stopped in al-Anbar Province on his way to Baghda

发表于:2019-01-14 / 阅读(117) / 评论(0) 分类 VOA标准英语2010年(九)月

1. 不定式的否定式的构成 通常是将否定词not或never置于不定式之前,即构成not to do 或never to do 的形式,注意not和never一定要放在不定式符号to的前面,而不是其后面。如: The doctor advised me not

发表于:2019-01-16 / 阅读(135) / 评论(0) 分类 英文语法词汇

ARI SHAPIRO, HOST: A little boy takes his parents to court in the new film Capernaum. In Lebanon, that title means chaos, and critic Bob Mondello says that's an accurate description of the world the boy lives in. BOB MONDELLO, BYLINE: Zain is skinny,

发表于:2019-01-17 / 阅读(166) / 评论(0) 分类 2018年NPR美国国家公共电台12月

In 'Capernaum,' The Chaos Of Lebanon From A Homeless Child's Perspective LULU GARCIA-NAVARRO, HOST: OK. This is the time of year when film critics announce their best of lists. Among the Hollywood titles, there is one film from the Middle East that r

发表于:2019-01-17 / 阅读(153) / 评论(0) 分类 2018年NPR美国国家公共电台12月

啃老族指既没有上学也没有就业或接受职业技能培训,必须依靠父母养活的青年人。在英国英语中,NEET指啃老族的一员,NEET group指啃老族群体。NEET是Not Currently Engaged in Education, Employment or Tr

发表于:2019-01-18 / 阅读(137) / 评论(0) 分类 英文语法词汇

Beginners. In this part of the world, we need to heat our house for three quarters of the year: Winter, Spring, and Fall. Of course, now is the time of year when the freezing temperatures outside make us turn up the heat inside. It is so nice to get

发表于:2019-01-28 / 阅读(119) / 评论(0) 分类 英语博客 A cup of English

67 维生素C能否破坏DNA? DATE=7-11-01 TITLE=SCIENCE REPORT - Vitamin C and DNA BYLINE=Nancy Steinbach (Start at 59

发表于:2019-01-30 / 阅读(163) / 评论(0) 分类 科技之光

啃老族是当今紧张而忙碌生活的产物。有这样一个句子:这个啃老族已经30岁了,但仍然依靠他的父母生活。有人是这样翻译的: This Neet is already 30 years old but still lives on hisparents. 其实严格地说

发表于:2019-02-05 / 阅读(117) / 评论(0) 分类 英语口译

啃老族是当今紧张而忙碌生活的产物。有这样一个句子:这个啃老族已经30岁了,但仍然依靠他的父母生活。有人是这样翻译的: This Neet is already 30 years old but still lives on his parents. 其实严格地说

发表于:2019-02-05 / 阅读(111) / 评论(0) 分类 实用英语

LONDON Whats being billed as the future of skin care starts suspiciously like a visit to the dentist: with a mouthwash gargle. Thats to eliminate debris that may interfere with a good saliva sample, from which DNA will be extracted and serums tailore

发表于:2019-02-06 / 阅读(143) / 评论(0) 分类 阅读空间

Greece has condemned an attack carried out by a Libyan warplane on a Greek-operated oil tanker chartered by Libya's national oil company, saying it had contacted the U-N envoy for Libya and the E-U about the incident. The attack took place on Monday

发表于:2019-02-18 / 阅读(160) / 评论(0) 分类 cctv9英语新闻2015年

Who do you think your pet is? Learning from Your Dog's DNA 你认为你的宠物是谁?狗狗DNA中的发现 A simple cheek swab can reveal your dog's ancestry, provide insight into its health and even help explain its behavior 擦一下狗的脸就可

发表于:2019-02-21 / 阅读(180) / 评论(0) 分类 人物杂志

你要知道 Something you have to know Don't mistreat someone else's heart and don't allow someone to mistreat yours. 不要伤别人的心,也不要让别人伤你的心。 Don't be afraid to say hello. 不要害怕跟别人打招呼。 Do things

发表于:2019-02-23 / 阅读(132) / 评论(0) 分类 英语听力广播—Listening
学英语单词
-kind
acid denaturation
actual reserve
adjusting block
advise with
airfoil control system combination
antigen unit
antihallucinogen
antipodean day
Ban Klam
battaillerous
bayviews
brachygnathism
break down test
burn trace
caricaceaes
centerboard
chile bar
Chissamba
chorda sheath
clamshell equipped crane
clearing house due bill
cocktail hat
colluders
common monopoly
comparative characteristic
complete medium
conflict-of-laws
contact screen method
Coregonus albula
cyclochin
DCP (digital computer program)
dictionary encoding
double whole
drilling rod centralizer
emergency residual heat operation
encrinital
Eurotia ceratoides
Exochorda racemosa
expected freight
faile
fast-freezing slag layer
flash ranging
flux concentrating ratio
focusing board
fourth mate
full circle
get one's accounts square
gingivectomies
gripple
haubner
henless
hesperiphona vespertinas
homaliodendron exiguum
ideational culture
integrated optics (io) strip guide
isidiosus
kelyn
kirkcudbright b.
Laray viscometer
light-ray pencil
measuring container
mercaptodimethur
mewlon
milstar
monuron
morong
moseys
nanocantilevers
nodal anatomy
non-reproduction
oligotrichum obtusatum
paleoobotany
parabythocythere pacifica
penpads
phacelite (kaliophilite)
pharmacol.
plant nematology
polypropylene belt
positive ghost
postlaunch
radio black-out
relative invariant
rocky coast
selective cataloging
semi-tandem ship construction method
speak daggers to sb
spliceless tape
static pressure probe
structure qualification
stsrsascstsosrs-s
swan neck deformity
Tapirus terrestris
Tenda, Colle di (Tende, Col de)
thomas-reiche-kuhn sum rule
tight barrel
TL antigen
top right corner
tributary waterway
Watcomb
workplace nursery
wudn't