[地名] 缅杰利河 ( 俄 )

In his youth Charles Darwin enjoyed all the freedom to experiment and do whatever he liked. The study of physics, chemistry, and later botany, was his hobby. At the age of 22, Darwin was invited to join the scientific expedition on the Beagle. During

发表于:2018-12-04 / 阅读(84) / 评论(0) 分类 人教全日制普通高中英语(必修)高三(全一册)

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(112) / 评论(0) 分类 英文故事剧

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(85) / 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(150) / 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(140) / 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(75) / 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(206) / 评论(0) 分类 澳大利亚中学英语

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(89) / 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(73) / 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(85) / 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(81) / 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(200) / 评论(0) 分类 People in America
学英语单词
affected seedling
auto-manual mechanobalance
bag pressure ratio
beknown
bid welcome to
bladder cells
brandweek
Brazzaville
cardioprotection
careen site
cast-iron stomach
ceiling hook
cerumenolysis
Chundzha
circulating ball gear
coeternalness
cold as stone
Cupressus lusitanica
deep origin
DELTREE
disk doffer
Edmund Malone
estimated profit from sales valuation of merchandise inventory
factorywise
fascisms
folding nappe
FRP ship
full enriched uranium
genus arabiss
groove for superior longitudinal sinus
growncelle
guailo
gyri olfactorius medialis of Retzius
Harrison, William Henry
Harvard Glacier
heliconius
hepa
high resistance metal
high speed tunnel
housing shoulder
hydroxyethylapoquinine
instamping
inteligente
internuclear ophthalmoplegia
interrupt trigger signal
ioscoes
joint flush
Kerakda
kinesiologists
kingdoms of denmark
leader strap
lych-stone
macharomancy
Maher
marcidious
mecopteras
median ligament (of bladder)
mitomycin C
Navigational telegraphy system
numeric type input/output
on the homeward voyage
order backlog
PDP crystal
phase null detector
PIA (peripheral interface adapter)
plessix
polarimetric sensor
post project evaluation
post-traumatic hydrocele of tunica vaginalis
prism
pulse crest
re-rigging
rectangular-hyperbola
reflexive law
reinvoices
ribauds
riveted boiler
sarcodinians
semipermanent mold
slowness component
sociocline
solar network
steam-crack
steam-water heat exchanger
stock-index futures
strapless dress
surface gathered water
to play fair
tool edge radius
trimethazone
Tutbury
uncontemplative
untack
utility frequency of Hanzi
veillonellas
vocational retraining
wellsuited
what are you doing now
word current
write-behind cache
Zygophyllum brachypterum