四碘四氯荧光素,玫瑰红

This is Scientific American Sixty Seconds Science, I'm Sophie Bushwick, got a minute? When Mexican tetra fish moved into darker caves long ago, they evolved to deal with the dark by becoming albino and going blind. A new research shows that the chang

发表于:2018-12-24 / 阅读(70) / 评论(0) 分类 Scientific American(一)月

If you are like many language students, you might have a problem with procrastination. Perhaps you are slow to do homework or study for a test. Maybe you do not like to study or you become distracted while studying. Whatever the case may be, learning

发表于:2019-01-02 / 阅读(356) / 评论(0) 分类 2017年VOA慢速英语(六)月

T Tanshinone IIA 丹参酮IIA Tanshinone I 丹参酮I Tanshinone IIB 丹参酮IIB Taraxasterol 蒲公英甾醇 Taraxerol 蒲公英赛醇 Tauro ursodesoxy cholic acid 牛磺熊去氧胆酸 Taxifolin 花旗

发表于:2019-01-03 / 阅读(58) / 评论(0) 分类 医务英语

BEIJING, Aug. 8 (Xinhua) -- China on Wednesday started to review anti-dumping measures it imposed on chloroprene rubber imported from a Japanese company, the Ministry of Commerce said. The move came after the ministry received complaints that Japan E

发表于:2019-02-05 / 阅读(115) / 评论(0) 分类 英语新闻

Cement is a major component of concrete, the world's most widely used man-made material, an integral part of roads, bridges and buildings. But making cement requires heating limestone and other materials to very high temperatures, a process that rele

发表于:2019-02-08 / 阅读(86) / 评论(0) 分类 VOA标准英语2010年(一月)

10 Getting The Lead Out 第十章 把铅撵出去 In the late 1940s, a graduate student at the University of Chicago named Clair Patterson (who was, first name notwithstanding, an Iowa farm boy by origin) was using a new method of lead isotope measur

发表于:2019-02-17 / 阅读(68) / 评论(0) 分类 万物简史
学英语单词
a. gastroepiploica dextra
abaptistons
after someone's own heart
agroecology, agro-ecology
analytical review procedures
annual vessel
Aritzo
astern guarding valve
asyndeta
AT (atmospheric)
backsighting
behavioral variable
Belyshevo
Berlese funnel
binary-to-Gray coverter
buckfasts
cephalexin
coastal error
Congolian red fever
cromwell
DC high
died
dioxydichloride
disinclination
dynamics of variable mass
ethoxynaphthalene
eurythermal species
event-ready object
external reflection
firm of stockbroker
flavoxate
foreplanning
form of book
fragilariacean
frictional shear joint
fusible-plug
Gambetta
general version
half-stages
heimaeys
hemp milk
hen pigeon
hizzes
hypercorticosteronism
independency
instep half
isophene(mayr 1963)
jet hopper
leeuwenbrug
lost data
margo lambdoideus
misbestow
monodispersing
muskelin
nematic compound
nonsaturation mode logic circuit
notice to airman
offexchange
oil floatation
oil of juniper
orbital pneumography
payload specialist,PS
phytogeographical
picture tearing
pitchpoll
platinous chloride
polks
posteroanterior
pottery molding
protoplanetary nebula
pyr(r)hic succession
rami pulmonales
reinforcement by outside panel
relative invariant
relaxational
Richardson's sign
securities custodian
short-term investments
simple characteristic surface
single line spectrum
slooming
speed tolerance
spinning nozzle
stand no nonsense from someone
steamer fiddle
stress-cracking resistance
subphylum Urochordata
syste
telautogram
tpi (total productivity improvement)
track length
train station
Tuva
Udmurtskaya AR
unreconciliatory
us db
vafrous
video projectors
watermills
wavefront tilt errors
welding rod holder
wheel concentration