音标:[,tɛtrə'mɛθɪlɪn] ;
n. 四亚甲基

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(237) / 评论(0) 分类 Scientific American(一)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(225) / 评论(0) 分类 医务英语

DAVID GREENE, HOST: Families across the United States are fighting with the federal government over a deadly chemical. Dozens of people have died from inhaling methylene chloride. This is an ingredient in common paint removers. NPR's Rebecca Hersher

发表于:2019-01-17 / 阅读(214) / 评论(0) 分类 2018年NPR美国国家公共电台11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(252) / 评论(0) 分类 万物简史
学英语单词
4-amino-triazole
acceptance specifications
airgram
Albany Congress
antiphonetic
Apsilus
Aspirin-arginine
asplenium oldhamii hance
augmented matrix
bach pat
balance of payment position
Ban Nam Ham
barium arsenate
benzyloxycarbonyl-Leu-Leu-phenylalaninal
blast-furnacemen
brunchtimes
calling line identification facility
Chermai, Sungai
cisplanetary space
conservation of standard
core binding oil (core oil)
correction pulse
CUSIP Number
decomposable erosion
deep-think
deinitializes
dereified
diarrhea due to disorder of qi
duration of testing
Duverge
erudition
exhaust collection ring
falls ill
fashion-icon
firehawks
folghthe
Forwarding Expenses
foveolae granulares
from the old school
guide link
Habiganj
hydrogen free electrode
innum
INSMAT
integrated navigation and collision-avoidance system (incas)
isoamidone
jolt rock-over pattern draw machine
kory
Kānī Rash, Gardaneh-ye
leg socket
lift lock type hatchcover
longitudinal roof bar
magrits
malto-amylase
microwave detection and ranging
mitrata
mnemonicon
modulated vision carrier
N-lauroyl-L-valine
narrow-leaved white-topped aster
non crystalline
non-degenerate critical point
nuadus
official deed
oleogel
ontogenetic stage
optifast
order no
paranuchal
pelitic
phaenacantha marcida
phreatic divide fluctuation
physicalization
pitch-opal
plankton volume indicator
power grid
quokka
R-16341
radio compartment
refetch instruction
remote-controlled x-ray unit
rewness
roll coolant system
Sandong
second board
semi-bordered pit
service car
side sling
slow strain-rate testing
suffocation
Suncholin
swarf collector for drills
thermal test reactor
torsion fibre
triangular-wave polarography
trouble oneself
two - man rule
vintage-look
Waltersville
West Thurrock
Wielkopolska, Nizina
yes-and-no