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(179) / 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(319) / 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(156) / 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(213) / 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(204) / 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(131) / 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(322) / 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(302) / 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(210) / 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(157) / 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(159) / 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(164) / 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(139) / 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(143) / 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(149) / 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(289) / 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(163) / 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(143) / 评论(0) 分类 英语听力广播—Listening

发表于:2019-02-25 / 阅读(184) / 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(221) / 评论(0) 分类 听播客学英语
学英语单词
accretion discs
accumulator addressing operation
alejandroes
ameletus formosus
arm-lengths
artificial lightening
aslosh
assumption
atomizes
autologous transplantation
ballistics
brake vans
churchplanter
colored-paper
conveying worm
cross-range
crucible shank
diaphenyl
differential transformer displacement transducer
discontinuous sterilization
elementarian
enholm
expected number of failure (enf)
feather star
first core
first tier
foil-polystyrene-laminate
freight destination
Fèternes
German chamomile oil
get down with
gravitational environment
Hammond organs
handjobs
heat loss due to exhaust gas
high-rate telemetry
Hydeltrone-TAB
hymeneal
Japanese maple
jumbo sausage items
Kerr cell electrode
khan
leucite ijolite
Ljósavatn
load steam loss
Loewy, Raymond Fernand
low-value-added
mahlons
margo anterior (pancreatis)
marriageable age
micron mill
Motto Botello
multilexemic
Naunheim
nerodias
nonserrated
not for profit organizations
nuclear network
O.M.
outdiffusion effect
pay phone
perfect fungi
periphyllus koelreuteriae (takahashi)
permit for withdrawing
pipistrels
platinian rhodium
professorish
pruta
pyrolyzed
pyrotechnic
quaternary ammonium base
quia timet
relative luminance curve
relaxtion
repairing account
rough wave effect
saughy
single capstan
slide-action
slow ahead both engines
sniffingly
splenic lymph nodes
sprinkler rig
stagnation of qi and blood stasis
starting signal
strawberry pie
supply range of complete set
tachyglossus setosus
tertiary constriction
toluphenazine
total magnetic susceptibility
toxic epidermal necrolysis
tuberculosis enterogenes
ultrasonic cleaning equipment
ungarbled egg
uphang
use of the globes
Velikino
weakened field
Weil-Felix test
wheel conveyor
wire-controlled antitank rocket