[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(268) / 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(247) / 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(162) / 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(173) / 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(431) / 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(274) / 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(153) / 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(175) / 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(191) / 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(176) / 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(192) / 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(149) / 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(177) / 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(188) / 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(169) / 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(214) / 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(188) / 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(170) / 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(211) / 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(192) / 评论(0) 分类 OMG美语
学英语单词
additions to plant and equipment
adrenoxine
Aeluropus sinensis
Aguadilla, Dist.de
Akropotamia
Amethystea caerulea
analog pattern memory
ancylus fluviatilis
anxiety for
arcae
be avenged on
blockaded
bosons
breakbone fever
brom(o)sulfophthalein(sulfobromophthalein)
calculated on gross profit
Carlton Hill
cephalosporium recifei
character swicthing
cherne
chugs-chugs
coasting braking test
comarts
customized DTE service
dark-line spectrum
Diplacrum
Drymoglossum subcordatum Fee
electrical safety management
electro-chemical gauging
electronic grade control
endowered
flimsiest
fulminancy
funis
grumbling
guide casing
half-wave rectifying circuit
Hastalloy
hermetically sealed integrating gyro
hydrothermal index
I. D.
in the care of
intrenches
kitri
labial version
lateral corticospinal tract
lifting tail
lipoproteid
message control program
message coupling
MOCM
motional feed back
MOVREP
Mungul
national carrier
natrii iodidum
net worth method
nonaoxide
norberto
Old Catalan
ondreschejit (ondrejite)
oolithic
Parika
periconceptional
polargraph
possible of
prepared furnace atmospheres
psychologic effect
purging nut
reduction by-product
regenerative regenerator
remending
resyklin
roating
roll damper
salvatories
section material
self propelled blader
sinoes
skatathon
spacemark
stann-
superheat temperature regulation
sympatheticism
tajwid
temperature meter
Tereno
thornburn
thrust identity method
tonneaux
toothpuller
transacetylase
UCPT
ultraviolet absorber film
unbudgeably
unirationality
untracable
vf (video frequency) band
villeroi
wet magnetic separator
wind suction
YERSINIOSES