[化] 锁钥学说(关于酶的)
[医] 锁钥学说(酶促反应中酶与基质有一定的立体关系)

23.Theory and Practice When talking about the importance of theory and practice,some people think theory is rather empty and abstract,so we should try to pratice a lot to obtain our goals;while others maintain that practice is rather too blind and wh

发表于:2018-11-28 / 阅读(316) / 评论(0) 分类 疯狂英语易背作文

生活半对半[The 50-Percent Theory of Life] I believe in the 50-percent theory. Half the time things are better than normal; the other half, they are worse. I believe life is a pendulum swing. It takes time and experience to understand what normal

发表于:2018-11-30 / 阅读(285) / 评论(0) 分类 王强英语美文

See you all later, Rebecca said, picking up her bag and slinging it over her shoulder. Benny looked at Violet. Rebecca was about to leave, and she still had their petition! Before Violet could stop him, Benny blurted out, Rebecca, isnt that our petit

发表于:2018-12-06 / 阅读(183) / 评论(0) 分类 56 The Firehouse Mystery

The Aldens followed the bike path through North Ridge Park on their way home from Cals house. The trees sheltered them from the wind, so it was easier pedaling here. The bike path became a narrow dirt trail through the thickest part of the woods and

发表于:2018-12-06 / 阅读(202) / 评论(0) 分类 113 The Box That Watch Found

27. Scientific Theories In science, a theory is a reasonable explanation of observed events that are related. A theory often involves an imaginary model that helps scientists picture the way an observed event could be produced. A good example of thi

发表于:2018-12-08 / 阅读(470) / 评论(0) 分类 新概念优美背诵短文50篇

Atmospheric pressure can support a column of water up to 10 meters high. But plants can move water much higher; the sequoia tree can pump water to its very top more than 100 meters above the ground. U

发表于:2018-12-15 / 阅读(318) / 评论(0) 分类 新东方背诵文选

A: I need to speak with the manager, please. B: Yes, this is the manager. How may I help you this morning? A: We are having problems getting into our apartment. B: Is this the first time that you have tried this key since I gave it to you? A: Yes, th

发表于:2018-12-26 / 阅读(183) / 评论(0) 分类 租住公寓-Renting an Apartment

ECONOMICS REPORT - Work on 'Game Theory' Wins Nobel Prize for Two Economists By Mario Ritter Broadcast: Friday, October 14, 2005 I'm Bob Doughty with the VOA Special English Economics Report. Robert A

发表于:2019-01-02 / 阅读(209) / 评论(0) 分类 健康与经济

Global View - Big Bang Theory (C0094) A: Whats up? You dont look too good. B: Yeah, my head hurts, thats all. Ive been in physics class all day. Its killer! A: I liked physics. Its all math, really; arcs, curves,velocity, cool stuff. B: Yeah, yeah, b

发表于:2019-01-07 / 阅读(239) / 评论(0) 分类 纯正地道美语

By Jessica Berman Washington 03 August 2007 There's a period in the development of toddlers when they seem to learn a new word every day. There are different theories about why young children undergo what experts call a word spurt. But one psychologi

发表于:2019-01-07 / 阅读(202) / 评论(0) 分类 2007年VOA标准英语(八月)

A: I need to speak with the manager right away. B: The manager is not here right now. May I take a message? A: Our key doesnt seem to be working in our lock. B: How many times have you used this key in the lock? A: We have already used this key succe

发表于:2019-01-20 / 阅读(219) / 评论(0) 分类 地道英语对话-租房

A: Hi, I need to speak with the manager, please. B: Yes, this is the manager. How may I help you this morning? A: We are having problems getting into our apartment. B: Is this the first time that you have tried this key since I gave it to you? A: Yes

发表于:2019-01-20 / 阅读(175) / 评论(0) 分类 地道英语对话-租房

A: Good morning. Could I speak with the manager, please? B: I am the assistant manager. Is there something I can help you with? A: The key you gave us to our apartment doesnt seem to be working. B: Did this key work okay for you before? A: We were us

发表于:2019-01-20 / 阅读(198) / 评论(0) 分类 地道英语对话-租房

这个节目已经持续了很长时间了,在不断学习习惯用法的同时我们偶而也不妨停下来思索一下这个问题:为什么习惯用语时常让外国学生感到困惑难解呢?原因之一是习惯用语的含义跟它所包

发表于:2019-02-03 / 阅读(221) / 评论(0) 分类 美国习惯用语

今天我们要学的短语是lock horns. Lock is spelled l-o-c-k, lock; and horns, h-o-r-n-s, horns; lock horns. Lock是锁上, horn是动物头上的角,lock horns原指动物用角互顶打架,引伸为激烈争论,杠上了。India and th

发表于:2019-02-06 / 阅读(196) / 评论(0) 分类 英语单词荟萃

Have you ever seen bamboo shoots in a storm? I have. I remember huddling in a hut in Thailand watching a raging typhoon sweep through the mountains. The clump of bamboo outside the window was completely flattened by the raging winds. The wind was so

发表于:2019-02-07 / 阅读(247) / 评论(0) 分类 阅读空间

Voice 1 Welcome to Spotlight. Im Rena Dam. Voice 2 And Im Liz Waid. Spotlight uses a special English method of broadcasting. It is easier for people to understand - no matter where in the world they live. Voice 1 Imagine a family with three children.

发表于:2019-02-14 / 阅读(225) / 评论(0) 分类 环球英语 Spotlight

美剧《生活大爆炸》搞笑主题曲:Big Bang Theory Artist:Barenaked Ladies Song:Big Bang Theory Our whole universe was in a hot dense state, 宇宙一度又烫又稠密 Then nearly fourteen billion years ago expansion started. Wait... 140亿年

发表于:2019-02-20 / 阅读(203) / 评论(0) 分类 流行英文歌曲

Pre-Listening Vocabulary blemish: an imperfection; a small flaw fade: to become less bright reincarnation: the belief that living beings die and then are reborn in a new form spear: a long sharp weapon that punctures the skin The Birthmark Theory Bir

发表于:2019-02-27 / 阅读(249) / 评论(0) 分类 趣谈英语

我们今天一起来看看白洁最喜欢的电视剧之一!Big Bang Theory! 生活大爆炸! 我们一起来学6季17集的美语说法! 1) How'd it go? 过得怎么样?2) Body language 身势语。如果你能看出某人有什么感觉,那就

发表于:2019-03-02 / 阅读(223) / 评论(0) 分类 OMG美语
学英语单词
Anemone delavayi
antherigona (acritochaeta) falcata
antigonus
argon shielded arc welding-pulsed arc
attain distinction
blvd
Caliphess
cement box method
chins-chins
cis-trans test
climbing-frame
closed stack management
Clyde, Falls of
communication station management
community name
Conference on the Law of the Sea
corticotropin releasing hormone
creme de menthe
cross church
diphenyltin difluoride
dohong (tohong)
double reaction
ECE
effect of additive
electrographic analysis
eley
ellipsing
elvi
ethically neutral proposition
file allocation table
four-person
gadet
germadine
hole-in-the-center effect
i can play
impregnated fibrous braid
ithakas
keto-myoinositol
lateral ampullar nerve
liquid medicine
M-DMD
marijuana anonymous
maryland yellowthroats
matboard
mccreath
mcgonigle
Metsämaa
mushroom cam follower
neonatal subcutaneous gangrene
network configuration management
Octoechos
over-interpretation
pantographic
peacock copper (ore)
pendulum vector
perennialization
perfect major supplementation pill
phasing operation of generator
pick of the litter
pictorial output computer
pizes
pladienolides
poor wire connection
pre-kindergarten
public intoxication
put out to nurse
quake in one's boots
raising method
re-ethnization
reflection index
report processor
responsibility report
rive gauche
rollerboard
sample hold switch
sand-blastings
sellotape
service review
shifted finish
Shilka River
silver stonewood
sin your mercies
situation comedy
solitary lymphatic follicles
Span-80
spinach cinema
stellar guidance
supersolidification
t-note
Tavorite
thioimido ester
throw at end of points
Triumfetta cana
unreadiest
ureteroproctostomy
vernier gauge
volkswagen beetle
wake structure
wanded
waterhouse-friedericksen syndrome
wet nonwoven fabrics
wreckless