[化] 乙酰水杨酸苯酯
[医] 乙酰水杨酸苯酯

Many of the Burgess specimens have now been assigned to living phyla just where Walcott put them in the first place. 许多布尔吉斯标本现在已经归到活着的动物的门里就是沃尔科特最初放置它们的地方。 Hallucigenia and s

发表于:2018-12-18 / 阅读(82) / 评论(0) 分类 万物简史

This is Scientific Americans 60-Second Science. Im Steve Mirsky. Got a minute? To keep your car purring, you have to change the oil. Such maintenance produces eight billion gallons of used motor oil annually. Some waste oil does get re-refined to pro

发表于:2018-12-24 / 阅读(71) / 评论(0) 分类 Scientific American(三)月

Fun Fact: Alligators Can Regrow Teeth 有趣的事实:短嘴鳄可以再长牙齿 Fun fact about alligators: they can regrow any of their eighty teeth up to fifty times. Which is pretty impressive, especially compared to us relatively dentally chal

发表于:2018-12-28 / 阅读(35) / 评论(0) 分类 初学者听力文摘精选

This is Scientific American's 60-Second Science. I am Steve Mirsky.Got a minute? Talk about your vicious cycles. A new study finds that belly fat could be making you hungrier. Which would lead to more belly fat. The research was performed at the Univ

发表于:2019-01-08 / 阅读(73) / 评论(0) 分类 Scientific American(四)月

Algae seem harmless enough. These precursors to plants thrive throughout the world's waters. But these single-celled plants have global consequences. We can thank them for oxygen in the atmosphere, oil in the lithosphere as well as dead zones in the

发表于:2019-01-08 / 阅读(55) / 评论(0) 分类 Scientific American(十一)月

WASHINGTON, Aug. 4 (Xinhua) -- Researchers have found a way to turn mouse embryonic stem cells into sperm and this finding opens up new avenues for infertility research and treatment, according to astudy published Thursday in the online edition of jo

发表于:2019-02-04 / 阅读(103) / 评论(0) 分类 英语新闻
学英语单词
11-dehydro-17-hydroxycorticosterone
a buyer's market
ABNM
accessory machinery
ad infundibulum iter
afrodita
aluminum polymer
apprentice driver
automatic addressing
barbier
basilar crest
burglen
Cala-Gen
cartilaginous structure
cascade motor set
checking into
cinnamon vines
coef.
collection demand draft
colocrynthis
coming backs
compages of thorax
construction crane
crack a person up
decatopecten amiculum
determination of loss-temperature characteristic
developed-country
diffused-preference market
double-acting atomizer
downconversions
dry-load bomb
dynamical time
earthy fracture
Fagernes
false coiner
ferrous and nonferrous screw and nut
fight shoulder to shoulder
financial cost
first-order predicate logic
flat twin cable
friction-reducing
goldstein's law of settling velocity
gulmargs
gunbelt
heterodyne condenser
heusler magnetic alloy
horizonta
Humberside County
hysteromyomectomies
Jacaré, Cachoeira
jealously
jet-skiing
Karpathos, Nisos
laser lower level
lay on the oars
lienopathia
lime nodules
linguistic area
log periodic
lunarlike
Lφnavatn
meta-data
metabolic phenomena
moist-soil
monocled
motacilla flava taivana
musculus
octadecatetraenoic acid
one time with another
ordinary corporations
overhead charges
Pahala
paper certifying its status as a legal person
post-developments
potassium-sparing
pottoes
pountneys
priority definition
pulsation dampening
quote mark
radiochromatographic separation
re-warehouse
reducing power
reexchange
reverse spread
rhagiocrine cell
Santflit(Zandvliet)
shaped to pattern
shieldfern
stah
station test
stuurman
submerged paddle aerator
system subcomponent
tab sequential format
tapping-machine
the functional basis for land utilization
Tiedemann's body
trichlor-
trichopteran
wrathfulness
yellow-orange