交互的;相反的;二者互为父母的

讲到遗传学,我们不能不提孟德尔。他的研究奠定了遗传学和现代生命科学的基

发表于:2018-12-06 / 阅读(83) / 评论(0) 分类 英文故事剧

[全屏观看] 点击右键- 另存为 可保存这个Flash影片

发表于:2018-12-10 / 阅读(230) / 评论(0) 分类 大学四级4000单词速记动画版

M 畸形 malformation 描图 mapping 标记 marker 黑色素瘤 melanoma 孟德尔 Mendel, Johann (Gregor) 孟德尔遗传 Mendelian inheritance 信使RNA messenger RNA (mRNA) [分裂]中期 metaphase

发表于:2018-12-12 / 阅读(63) / 评论(0) 分类 医务英语

[00:06.35]READING [00:07.58]THE BIRTH OF A SCIENCE [00:10.19]Before the eighteenth century, botany was merely a branch of medicine. [00:13.90]Unit then, mostly doctors and surgeons studied herbs. [00:17.97]Attempts had been made by others to classify

发表于:2018-12-13 / 阅读(128) / 评论(0) 分类 高中英语人教版必修第三册

[00:06.35]READING [00:07.58]THE BIRTH OF A SCIENCE [00:10.19]Before the eighteenth century, botany was merely a branch of medicine. [00:13.90]Unit then, mostly doctors and surgeons studied herbs. [00:17.97]Attempts had been made by others to classify

发表于:2018-12-13 / 阅读(112) / 评论(0) 分类 高中英语人教版必修高三

[00:00.63] 4.The Father of Genetics [00:04.55]His name is introduced to biology students, but often forgotten after the final exam. [00:10.76]His pioneering discoveries went unnoticed by the world until years after his death. [00:15.88]But now, in th

发表于:2018-12-26 / 阅读(54) / 评论(0) 分类 温馨夜读II

[00:00.00]Unit 6 In the laboratory [00:04.70]1.Listen,read and practice in pairs. [00:11.47]Do you like to do experiments in a laboratory? [00:16.54]What is a science class like? Let's see what these people are doing. [00:23.90]Teacher:Good morning,e

发表于:2018-12-29 / 阅读(153) / 评论(0) 分类 澳大利亚中学英语

图片1 图片2 by Jason Marshall Do you frequently find yourself at restaurants with friends fumbling to figure out how to split the bill and calculate the tip? Have you ever resorted to seeking advice from your smart phone? Dont worry, we all have.

发表于:2019-01-02 / 阅读(165) / 评论(0) 分类 数学英语

NBA legend Dikembe Mutombo of Congo coaches a young Special Olympics athlete during a Basketball Without Borders community event in Dakar, Senegal, 5 Aug 2010 The National Basketball Association's Basketball Without Borders Africa program this year b

发表于:2019-01-13 / 阅读(63) / 评论(0) 分类 VOA标准英语2010年(八)月

Now, our inherent wisdom doesn't have to be insider's knowledge. Kids already do a lot of learning from adults, and we have a lot to share. 我们先天的智慧,堪比内行人的知识。小孩已经从大人身上学到许多,而我们也有很多

发表于:2019-01-21 / 阅读(66) / 评论(0) 分类 TED演讲教育篇

今天我们要学的词是 reciprocal. Reciprocal 作为形容词,有互惠的意思。U.S. President Donald Trump emphasized in his Davos speech that the United States supports free trade, but it needs to be fair and reciprocal. 美国总统川普在

发表于:2019-01-26 / 阅读(76) / 评论(0) 分类 英语单词荟萃

Mendeleyev dutifully completed his studies and eventually landed a position at the local university. There he was a competent but not terribly outstanding chemist, known more for his wild hair and beard, which he had trimmed just once a year, than fo

发表于:2019-01-29 / 阅读(66) / 评论(0) 分类 万物简史

Mendeleyev used a slightly different approach, placing his elements into groups of seven, but employed fundamentally the same principle. Suddenly the idea seemed brilliant and wondrously perceptive. Because the properties repeated themselves periodic

发表于:2019-01-29 / 阅读(48) / 评论(0) 分类 万物简史

For most of us, the periodic table is a thing of beauty in the abstract, but for chemists it established an immediate orderliness and clarity that can hardly be overstated. Without a doubt, the Periodic Table of the Chemical Elements is the most eleg

发表于:2019-01-29 / 阅读(61) / 评论(0) 分类 万物简史

Despite the occasional tidyings-up, chemistry by the second half of the nineteenth century was in something of a mess, which is why everybody was so pleased by the rise to prominence in 1869 of an odd and crazed-looking professor at the University of

发表于:2019-01-29 / 阅读(60) / 评论(0) 分类 万物简史

PEOPLE IN AMERICA – April 28, 2002: Milton Berle By George Grow VOICE ONE: I’m Mary Tillotson. VOICE TWO: And I’m Doug Johnson with the VOA Special English program PEOPLE IN AMERICA. Today, we t

发表于:2019-01-30 / 阅读(178) / 评论(0) 分类 People in America

reciprocal basis 互惠原则 reciprocal duty 互惠关税 reciprocity 互惠措施;互惠条件 recision of contract 撤销合约 recognizance 签保;担保 recognized clearing house 认可结算所

发表于:2019-02-01 / 阅读(70) / 评论(0) 分类 财会英语

巧妙拒绝别人 Explore the possibility of a reciprocal favor 探索互惠互利的可能性 This will help the requester understand the impact of the request, and potentially reconsider. In other cases, you may actually get back more than you giv

发表于:2019-02-16 / 阅读(51) / 评论(0) 分类 英语听力广播—Listening

发表于:2019-02-25 / 阅读(91) / 评论(0) 分类 考研英语

We have had some quite serious podcasts recently, so here for a change is some complete nonsense. Early in the morning in the middle of the night, Two dead boys got up to fight. Back to back they faced each other Drew their swords and shot each other

发表于:2019-03-01 / 阅读(126) / 评论(0) 分类 听播客学英语
学英语单词
-witted
a night owl
abundance of labor
Affenpinschers
aggressor troop
aglionbies
alarmone
alvidrez
analogues
angelica seed oil
angle bulb-iron
annual precipitation
Anostraca
answerers
asquenched
atomic bridge
availment of credit
biftorine
biochemical recapitulation
bizz
black plate
brow band
built-in nozzle
campylopus nigrescens mitt.
citrul
CMC-VAP
concentric lamella
COSGROVE
Derzhavinskiy Rayon
drink the cup of bitterness
eslar
ethylized fuel
factor analytic
family brassicaceaes
fault signalling
first line from advance
GM_verb-phrases
haplustoll
health-consciousness
heavily buffered flour
highway-at-night
Horlivka
iconauthors
indicanuria
insulation screen
insurance firm
intercrystalline shrinkage crack
interlocking by point detector
juristal person
Laogong (P8)
loire vallies
loop aerial
mailwoman
mandarinate
measuredly
melanocyte-stimulating hormone-inhibiting factor
metal enclosed busbar
microohmmicromho
monomicrobial
morello
neonatal respiratory distress syndrome
onion mite
Ophiorrhiza hunanica
paleace
patrilaterally
paycheck
peat digging
perturbate
phenol-red-free
phoxinuss phoxinuss
point of maximum intensity
Polvadera
praecellens
pseudoacephalus
pseudoedema
Rachen-neurose
recluse spiders
recognized standard
safety clutch
self-lubricatings
semi-threshold logic
sheepified
sideshears
sige/buried-oxide (box) interface
site trial
skeletogenous structure
slider and swing guide bar mechanism
str?mgren four-color index
summer infertility
throw out of gear
tinkerbell fairyfly
tinted glass windshield
torrional strength of wood
trepopal
trypherus nantouensis
tumor vaccine
uncontrollable variable
vigilosomnogram
viscosity fluid
visual word center
world-end
xus