染色体系统演化说;染色体场阶说

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(205) / 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(187) / 评论(0) 分类 王强英语美文

[00:04.10]goal goat god [00:07.64]n.目标,目的;进球;球门,守门员 n.山羊 n.神;上帝 [00:11.18]gold goleden [00:13.56]n.金币,黄金a.金(制)的 a.金黄色的;贵重的,极好的 [00:15.93]golf good goodness goods [00:20.35]n.高尔夫球

发表于:2018-11-30 / 阅读(203) / 评论(0) 分类 考研英语词汇2005

[00:06.58]hector hedge hedgehog hedonism [00:15.31]v.凌辱,威吓 n.树篱;限制 n.刺猬 n.享乐主义;享乐 [00:24.03]hegemony heinous heir heirloom [00:32.12]n.霸权,领导权 adj.十恶不赦的 n.继承人 n.传家宝 [00:40.20]heliotrope h

发表于:2018-12-04 / 阅读(196) / 评论(0) 分类 GRE词汇精选

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(144) / 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(379) / 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(237) / 评论(0) 分类 新东方背诵文选

This is scientific American's 60-Second Science, I'm Christopher Intagliata. Got a minute? The yeast Candida albicans ekes out a quiet living in our gut. But its a tough life. It faces acids and enzymes, and the immune system always bullies invaders.

发表于:2018-12-24 / 阅读(121) / 评论(0) 分类 Scientific American(五)月

This is Scientific American's 60-Second Science, I am Steve Mirsky,Got a minute? A team of Finnish and American geneticists has found that that, for some people at least, music is in their genes. In what the researchers called the first study of its

发表于:2018-12-24 / 阅读(67) / 评论(0) 分类 Scientific American(六)月

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(145) / 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(132) / 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(134) / 评论(0) 分类 2007年VOA标准英语(八月)

Birth Defects Rise in Former Iraqi Battleground Five-year-old Lujane is one of hundreds of children in Fallujah who have been born since 2004 with severe birth defects. Her father says Lujane suffers from multiple afflictions that Iraqi doctors strug

发表于:2019-01-14 / 阅读(100) / 评论(0) 分类 VOA标准英语2012年(十二月)

Leadership and dedication to your job might improve your favour in the eyes of your boss but won't win you friends among your peers. 有领导能力、尽心工作,这是老板眼中的加分项,却不会让你在同事当中多几个朋友。 Co

发表于:2019-02-01 / 阅读(106) / 评论(0) 分类 阅读空间

CANBERRA, Aug. 17 (Xinhua) -- Australian scientist on Wednesday said his international research team has discovered the trick on how butterfly learn to change its wing pattern to avoid being eaten by birds. The Amazonian butterfly, Heliconius numata,

发表于:2019-02-06 / 阅读(93) / 评论(0) 分类 英语新闻

I want you to imagine two couples 我希望大家设想一下,两对夫妇 in the middle of 1979 在1979年的年中 on the exact same day, at the exact same moment, 在相同的一天,相同的时刻 each conceiving a baby -- okay? 每对怀上了

发表于:2019-02-13 / 阅读(96) / 评论(0) 分类 TED演讲教育篇

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(127) / 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(140) / 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(172) / 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(162) / 评论(0) 分类 OMG美语
学英语单词
AcycloGTP
aggregated follicles
all - points bulletin
avail yourself of sth
bargain hunter
basal dish
basket-weave checker setting
besunide
Bjergby
blanket-flower
books of zephaniah
broadax
bronzewing pigeon
canned vegetable
capillary tubing
Carex onoei
catch one's eye
cifw
coediting
consumer-protection
coronoplasty
cytogenetic band
dippel
disrespected
doldrums
dry out
ductile deformation
es samra (as samra)
essential cyclophoria
fessada
fictionalists
filtering clay
fold of tympanic cord
genital disc
Gochang-gun
graft-versus-host reaction
grain upsetting arm
Guareňa
harlins
headle
heavy natural gasoline
helius (helius) barbatus
hold onto something
hydrocomion
hydrogen-rich
inart
Isatis costata
ivone
keratitises
kleptohemodeipnonism
kraynak
ladle heater
lightly
mauvais quart d'heure
method of peak height measurement
microminiaturized avionics
microribbon
moonface
moonstones
motor six component test
nasopharyngeal polypus
natural wipe
negative information sequence
Nellore
nom de guerre
non periodical repair
nonreplicable
nucleate crystallization
Obamageddon
occupied territory
ocrynomycolyl
oxytocia
preferential voting
princess margaret
processing resources
proprietary formula
quickmunch
rauoi
rigorous selection
salt-water underrun
schumm
securities-on-hold mechanism
shenglimeisu
skin disease
species complex
spend itself
stock effect
superpussies
sweet oil
take leg bail
theoretical paleobotany
triclinic holohedral brachypyramid
truck cementing
unascried
unwarranted insult
vane motor pump
voltage below level
web business
wild subject
wrist pin collar
Zasu Pitts