音标:[ˈtændəm ˈenzaɪm] ;
[医]串联酶[同一多肽具有不同的酶活性]

This is Scientific American's 60-Second Science. I'm Karen Hopkin. This will just take a minute. On its opening day, 90,000 tourists traipsed across the London Millennium Bridge. That pitter patter of pedestrian feet caused the structure to visibly r

发表于:2018-12-02 / 阅读(82) / 评论(0) 分类 Scientific American(十二)月

The following Monday on my way to meet Mrs. X, I make a quick stop at my favorite stationery store to stock up on Post-its. Today my Filofax only has two Post-its: a tiny pink one imploring me to BUY MORE POST-ITS and a green one reminding me that I

发表于:2018-12-06 / 阅读(53) / 评论(0) 分类 保姆日记

The United States Agency for International Development, or USAID, announced a new project that will assist Vietnam's transition to climate-smart and low-emission development through improved forest protection, enhanced biodiversity conservation, and

发表于:2018-12-08 / 阅读(124) / 评论(0) 分类 VOA标准英语2017年(一月)

Rare but Deadly By Susan Brink /2005, U.S. News World Report . All rights reserved with permission. Distributed by Tribune Media Services International. Simple, cheap blood tests could save thousands

发表于:2018-12-19 / 阅读(120) / 评论(0) 分类 彭蒙惠英语

The London Paralympics competition is now finished and the closing ceremony is tomorrow morning New Zealand time. New Zealand sent 24 athletes to the games and received 17 medals. Four swimmers won medals: Sophie Pascoe from Christchurch won three go

发表于:2018-12-31 / 阅读(98) / 评论(0) 分类 新西兰英语

This is Scientific American's 60-Second Science. I'm Steve Mirsky . Got a minute ? Germanys Harald zur Hausen and Frances Luc Montagnier and Francoise Barre-Sinoussi share the 2008 Nobel Prize in Physiology or Medicine, awarded October 6th. Barre-Sin

发表于:2019-01-08 / 阅读(100) / 评论(0) 分类 Scientific American(十)月

Robot Security Could Help Cut Crime 机器人保安有助于降低犯罪率 Shopping centers, stadiums and universities may soon have a new tool to help fight crime. A California company called Knightscope says its robots can predict and prevent crim

发表于:2019-01-12 / 阅读(78) / 评论(0) 分类 2015年VOA慢速英语(六)月

Jobs confided in Sculley that he believed he would die young, 乔布斯向斯卡利坦言,他认为自己年轻的时候就会死去, and therefore he needed to accomplish things quickly so that he would make his mark on Silicon Valley history. 因

发表于:2019-01-22 / 阅读(55) / 评论(0) 分类 乔布斯传

发表于:2019-02-03 / 阅读(67) / 评论(0) 分类 英文语法词汇

Kawhi Leonard has now scored 30+points in four consecutive games. The last Spurs player to accomplish this feat? Tim Duncan in 2003-04. 卡哇伊莱昂纳德已经连续四场得到30分+的数据。上一位能够达成这一华丽数据的球员是谁

发表于:2019-02-07 / 阅读(94) / 评论(0) 分类 英语新闻

听歌学英语:I'll never fall in love again I'll never fall in love again BY BOBBIE GENTRY What do you get When you fall in love A girl with a pin To burst your bubble That's what you get For all your trouble I'll never fall in love again What do y

发表于:2019-02-07 / 阅读(73) / 评论(0) 分类 听歌学英语

They say that children learn languages the best. But that doesnt mean that adults should give up. We asked some of the polyglots in TEDs Open Translation Project to share their secrets to mastering a foreign language. Their best strategies distill in

发表于:2019-02-09 / 阅读(44) / 评论(0) 分类 英语笔译

A Quora user asked: What are the best romantic relationship hacks? And then people shared their tried-and-true tips. Quora上一位网友提问:爱情中最棒的技巧有哪些?网友们纷纷根据自己的经历给出了答案。 1. Keep a sec

发表于:2019-02-09 / 阅读(204) / 评论(0) 分类 阅读空间

unit 425 租自行车(2) dialogue 英语情景对话 A:There's a bike rental store here. A:这里有租自行车的。 B:Yeah, wanna rent one? B:是啊,租一辆吗? A:How much is it to rent one? A:租一辆多少钱? B:It's 10 yuan per day

发表于:2019-02-15 / 阅读(198) / 评论(0) 分类 高频英语口语对话

They say that children learn languages the best. But that doesnt mean that adults should give up. We asked some of the polyglots in TEDs Open Translation Project to share their secrets to mastering a foreign language. Their best strategies distill in

发表于:2019-02-17 / 阅读(42) / 评论(0) 分类 阅读空间

Sophida Siriwatananukul, 22, (nickname Nong Bai Mon), a student at the Rachapat University in Ayutthaya Province was crowned Miss Tiffany's Universe 2015, Thailand's largest transgender beauty pageant, in the beach resort city of Pattaya on Friday ev

发表于:2019-02-18 / 阅读(75) / 评论(0) 分类 阅读空间

老干妈远销海外知多少? 美国奢侈品电商Gilt 把老干妈奉为尊贵调味品,限时抢购价11.95美元两瓶(约人民币37元一瓶)。 而根据《星岛日报》此前的报道,来自中国的酱料产品老干妈 辣椒酱在知

发表于:2019-02-19 / 阅读(56) / 评论(0) 分类 英语新闻

内在驱动和外在刺激 Drives and desires can be described as a deficiency or need that activates behavior that is aimed at a goal or an incentive. These are thought to originate within the individual and may not require external stimuli to enco

发表于:2019-02-19 / 阅读(46) / 评论(0) 分类 GRE作文

An international group of scientists has engineered an enzyme which they say will be able to eat some of the most common plastic. It's being touted as a possible way to fight pollution. Improvements aimed at making the enzyme work more effectively ar

发表于:2019-02-22 / 阅读(101) / 评论(0) 分类 2018CRI中国国际广播电台

Renting a Bicycle 租自行车 Kathy and Evan decide to tour Amsterdam as many people do, by bicycle. Kathy is talking with a renter of bicycles. 凯西和艾凡决定和许多人的做法一样── 骑自行车游览阿姆斯特丹。 凯西正和一

发表于:2019-03-18 / 阅读(4467) / 评论(0) 分类 赖世雄旅游观光英语通
学英语单词
a take
accubation
alarm setting connection wheel
alphabetic sorting
aperture adhesive
astigmatic lens
balanced lattice square
beehive round
Beni-Guil
bisoxy-bromphenyl sulfide
blue mold rot
Bronze Star
Caltavuturo
causators
Celosia cristata L.
cercobranchiate
cerebralizing
check survey
chiropodical
chloroplastid
cinnamaverine
company-purchased accident insurance
compiler transportation
conceal sth from sb
cooperative farming
coronating
couldn't care less
counterwinds
d'medved
de-monopolize
decarbonylate
delouse
desilks
desintegration product
discretional order
erect(ing) image
exploration of the groundwater
family of crystal planes
family pteriidaes
fluoro-titanium-complex
forests
Ghent University
glass tubing
Grauman's Chinese Theater
Ground-Truthed
hand vibrograph
harkeners
head-initial
high altitude communication satellite
hooked needle
hordeum murinums
hydrolytic tank
Ibn Muqlah
Jubba River
licorice spray
luffing grab
Man City
marine valves
Markesan
moss-grown
mucocutaneous lymph node syndrome
nematocarcinus undulatips
neurotonic reaction arsonium
noul
old-schools
osmium potassium chloride
parametric representation
Patterson peak
pharyngoconjunctival fever
phthaline
Plandište
porous backed strip
pseudomucinous cyst
punch-up sessions
radio frequency pulse generator
read only operation
retroverts
revised flow
Saint-Acheul
selenoxides
shoe-makings
sigma pi interaction
space integration
spiny-stemmed
standard dollar
static electricity touchdown device
stone-curlew
storable
styrene dichloride
swayin
symmetrical pass
The Nuts
total down-time
transistorized output amplifier
Tsetseng
Tyap
typical section
vitazyme
wagton works
water freeing arrangement
winding road
windmill grass