[化] 分子置换法

1.Fuel your body with an amazing breakfast用美味的早餐给你身体充能 Have you ever noticed how some mornings you feel great and ready to tackle the world, and other days you have a mid-day slump? Having a healthy breakfast can help keep you

发表于:2018-12-12 / 阅读(259) / 评论(0) 分类 实用英语

Transcript This is Scientific American's 60-Second Science, I am Cynthia Graber.This will just take a minute. Physicists at the Brookhaven National Laboratory have been able to send information ahead of particle beams racing at nearly the speed of li

发表于:2018-12-24 / 阅读(373) / 评论(0) 分类 Scientific American(二)月

This is Scientific American's 60-Second Science. I'm Karen Hopkin. This will just take a minute. Just when you thought youd heard everything, scientists have found that the reason you can hear everythingincluding things that are very quietis because

发表于:2018-12-24 / 阅读(303) / 评论(0) 分类 Scientific American(四)月

每期节目一话题,让英语磨练耳朵的同时学到更多有益的小知识,丰富知识的同时受益于生活。 Time-management tips 时间管理技巧 Work around procrastination. 克服拖延症。 Try Francesco Cirillo's Pomodoro Te

发表于:2018-12-27 / 阅读(323) / 评论(0) 分类 英语听力广播—Listening

People bring up the question:was Bruce Lee a real fighter? 人们提出了一个问题,李小龙是不是一个真正的格斗家 Bruce was a brilliant fighter.I saw him beat up a guy on a set of the Enter the Dragon. 布鲁斯是一个优秀的格斗

发表于:2018-12-27 / 阅读(288) / 评论(0) 分类 名人传记

The Telegraph: British scientists have built a complete and functional organ in a living animal for the first time. British scientists have produced the first working organ by reprogramming cells in a step towards the 'Holy Grail' of being able to gr

发表于:2019-01-01 / 阅读(246) / 评论(0) 分类 双语趣听精彩世界

If you are like many language students, you might have a problem with procrastination. Perhaps you are slow to do homework or study for a test. Maybe you do not like to study or you become distracted while studying. Whatever the case may be, learning

发表于:2019-01-02 / 阅读(652) / 评论(0) 分类 2017年VOA慢速英语(六)月

2. agri 你已认识field是“田地”, 你是否也知agri的意义? 在有关农田的词汇里, field竟都被agri所代替。 agri=field 田地,农田(agri也作agro,agr) 1. agrology agr

发表于:2019-01-06 / 阅读(332) / 评论(0) 分类 英文语法词汇

The 2009 Nobel Prize in Chemistry goes to Venkatraman Ramakrishnan of the MRC Laboratory of Molecular Biology in England, Yale Universitys Thomas Steitz, and Ada Yonath of the Weizmann Institute of Science in Israel for their studies of the ribosome.

发表于:2019-01-08 / 阅读(310) / 评论(0) 分类 Scientific American(十)月

Vacationing on the island of Oahu, we were waiting in our tour bus for some stragglers to show up. A man, obviously not with our group, approached the bus and was about to board. How would our driver

发表于:2019-01-11 / 阅读(429) / 评论(0) 分类 英汉幽默故事选读

Technique May Eliminate Drill-and-Fill Dental Care For over a hundred years, dentists have been repairing cavities by removing the decayed tooth tissue with a drill and filling the hole with metal or plastic material. Depending on the cavitys depth,

发表于:2019-01-14 / 阅读(298) / 评论(0) 分类 VOA标准英语2015年(八月)

Science and Technology The Neolithic Boom-time machine 科技 新石器时代 时间机器解密:新石器时代的繁荣期 A new technique lets archaeologists reconstruct the past in greater detail 考古新技术让考古学家们能更加详尽地重

发表于:2019-01-26 / 阅读(349) / 评论(0) 分类 经济学人科技系列

HEALTH REPORT - Study Links Red Meat to Higher Risk of Breast CancerBy Caty Weaver Broadcast: Wednesday, November 22, 2006 This is the VOA Special English Health Report. Exercise and keeping a healthy

发表于:2019-01-30 / 阅读(259) / 评论(0) 分类 2006年慢速英语(十一)月

By Carol Pearson Washington 08 January 2008 New technology makes surgery safer, shortens recovery time and leaves no scars. Both physicians and patients are pleased with the results. VOA's Carol Pearson has more. Maria Viruet recently had her gallbla

发表于:2019-01-31 / 阅读(358) / 评论(0) 分类 VOA标准英语2008年(一月)

Vacationing on the island of Oahu, we were waiting in our tour bus for some stragglers to show up. A man, obviously not with our group, approached the bus and was about to board. How would our driver handle the situation, we wondered. Straight-faced,

发表于:2019-02-03 / 阅读(310) / 评论(0) 分类 趣味英语

今天我们要学的词是replacement。 Replacement, 意思是替代,替补。The coach chose Jimmy as the replacement for the injured quarterback, 教练选择Jimmy代替受伤的四分位。The basketball player just had a knee replacement surg

发表于:2019-02-06 / 阅读(257) / 评论(0) 分类 英语每日一词

British MPs have voted in favour of the creation of babies with DNA from two women and one man, in an historic move. 英国国会议员投票通过一项具有历史性意义的决议,支持用两母一父的DNA培育婴儿。 The UK is now set to

发表于:2019-02-09 / 阅读(278) / 评论(0) 分类 阅读空间

The Federal Bureau of Investigation's secret method for unlocking the iPhone 5c used by one of the San Bernardino shooters will not work on newer models, FBI Director James Comey said. 美国联邦调查局局长詹姆斯科米近日表示,FBI用于破

发表于:2019-02-15 / 阅读(303) / 评论(0) 分类 英语新闻

Reproductive technology 生殖技术 Mum, Dad and Mitomum 妈妈,爸爸与代孕妈妈 Britain may allow babies with three biological parents 英有望允许新生儿有三个亲身父母 ASSISTED reproduction is one of those rare areas in which Br

发表于:2019-02-16 / 阅读(340) / 评论(0) 分类 经济学人科技系列

知识点讲解: 1、中文意思一样 insist persist 2、两个词长得像 special specialty 3、长得像+中文意思一样 technique technology ① Technique 方法、技巧 Hes a great basketball player. He has flawless technique. 他是位很

发表于:2019-02-21 / 阅读(312) / 评论(0) 分类 每天三分钟学英语
学英语单词
-scope
3-cyclopentylether
abundantly clear
activated carbon treatment
aditeren
air panel
amylophoaphatase
analysis in time-domain
automatic doffer
bath electric hot-air
before the times
blue-green
bolbitis rhizophylla
brevilegnia unisperma delica
cable guard railing
calibration characteristics
Cambaroides
canned marine food
chee chees
chironomus prasinellus
colicystopyelitis
commuting reductive algebras
Constant Current Charge
controller node
core packet
cotton mouse
crust breaking hammer carrier
crustal dynamics
decapitating-thimble
differential height
ebulliates
elementary-school
elephantiasis leishmaniana
Endoderma
enterorrhaphy
entrancer
epacris families
ex-sun
favoured state
feture
Galactia formosana
go-gauge
government by law
isodesmic
jean - francois millet
katoite
keyboard mapping
kortan
leopard-crawl
Macropinna
Medio-Pleistocene
microentrepreneurship
moor cock
mudrak
music sharing
nontackle
Nucleus caudatus
occipital orbit
olive molding
optical fibre magnetometer
optical slope corrector
OS X
ozonisation
perceptual proof
petticoat slave
phellodendron chinense f. yunnanense huang
picomoles
plastic boat
Prooshan
quinopyrine
RCD
refrigeratories
rewrappings
road hog
roof beam
schubert
semiconductor memory technology
sex identity
siganl-to-interference ratio
siluriform fish
streaming mercury electrode
sutura lambdoidea
sync generator
tailed toad
teddering
think fit to do sth
toppenish
trace forms
Trichomycteridae
triple band-saw
trypan
undermilled rice
undersea pipeline
unmind
untanking
violent movement
vitriolates
volcansek
water range
X-Y plotter oscilloscope
yomped