音标:[,tetrә,brәumә'ænili:n] ;
四溴苯胺

今天要讲的三个习惯用语都是和零碎的小东西有关。他们之间的区别只是使用的场合不同,或者是来源不一,用法相近。现在我们就分别为各位讲解这三个习惯用语。他们是:odds and ends, knic

发表于:2018-12-16 / 阅读(117) / 评论(0) 分类 美国习惯用语

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(71) / 评论(0) 分类 Scientific American(一)月

Grammar Girl here. Today's topic is words that can get you into trouble. Guest-writer Bonnie Trenga writes: Once upon a time, some mistaken citizens stood up for American principals, p-r-i-n-c-i-p-a-l-s. Across the Atlantic, a nutty queen sat on her

发表于:2019-01-02 / 阅读(67) / 评论(0) 分类 英语语法 Grammar Girl

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(60) / 评论(0) 分类 医务英语

Ethiopia will accomplish the construction at any cost whether donors continue funds or not. The giant Gibe III dam, now being built on the Omo River in southwestern Ethiopia is a boon for some, a problem for others. Supporters say it will provide ele

发表于:2019-01-14 / 阅读(71) / 评论(0) 分类 VOA标准英语2010年(九)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(71) / 评论(0) 分类 万物简史
学英语单词
ADLC
administrative rationalist
allergic pneumonia
alpha-crystal
Arua, R.
be ready to go
beinn na faoghia i.
Blakly
brancheau
breathing rate
Buloh, Pulau
calibration power
Cardiff (Rhoose) Airport
citrus anthracnose
cob-iron
cock pigeon
competitive segmentation analysis
complexvelocity
coryphoid
creamability
critical infrastructure
cycloid scale
d.e.c
dermographic test
deuterogonia chionoxantha
Dicyemida
dipaks
discount rating
disoblegiant
Doppler-averaged cross section
dumbbell depression
dup killer
evolutionarily stable equilibrium
exgod
flap track
floatations
fudge and mudge
gasoliner
genus phyllodoces
glorious
healers
Henle's fibers
horizontal press
Jerico
labanotation
lead network
lead-filled epoxy resin
Lindera glauca B1.
macranthera
mitotic spindle
mountain stream
multiple terminal access
naevi papillomatosus
nuclei olivaris
nudicaulin
off our nut
oil-field brine
origin road
outlet compensator
papular eruption in black males
pauncher
piston push centrifuge
podoplanin
poor white
preponed
primary constriction
productional
quadfurcated
quadrangular jar
rami perpendicularis
redirection
research institutes
rose bug
routerless
sarcoid
screwed flanges of pipes
sexcentenary
Shuyskoye
spacer damper
sport sedan
square downpipe
steam super-heated
strong scaling law
surface roughness automatic tester
tail-shape epithelial cells
testaccio
thrust eccentric
thundereggs
tubulosine
two-pole
undecks
underword
unjust acquittal
unparoled
unsight
uptake valve
used-car
Virelon
walk into
web-fed
well-leds
were at pains