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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(210) / 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(196) / 评论(0) 分类 医务英语

Parents of young infants know just how rare and valuable uninterrupted sleep can be. As it turns out, the timing of breast milk production may help play a role in facilitating sleeping in an infant. Some mothers express breast milk during the day and

发表于:2019-01-22 / 阅读(143) / 评论(0) 分类 英语时差8,16

Three of these nucleotides are also thought to be associated with sleep and sedation. A team of Spanish researchers collected breast milk over a twenty-four hour period from thirty healthy moms who had been breast-feeding for at least three months. T

发表于:2019-02-15 / 阅读(127) / 评论(0) 分类 英语时差8,16

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(219) / 评论(0) 分类 万物简史

What Time Of Day Is Best To Feed Infants So That They Fall Asleep 把孩子养大可不是一件容易的事。婴儿没有时间观念,他可不管自己的爸爸妈妈累了一天晚上需要休息。更要命的是,孩子似乎觉得晚上的安

发表于:2019-02-24 / 阅读(145) / 评论(0) 分类 英语听力文摘 English Digest
学英语单词
aforestation
apodizations
asahara
base line measurement
beagle is.
Bolocephalus saussureoides
bow shape
bugdet plan
bus priority structure
by-pass ratio (bpr)
cable shopping
candidissimum
cassia cinnamon
cell gate
Church of Jesus Christ of Latter-Day Saints
city collection department
code receiver
compatibilizing agent
contractual issue
crossed cheques
demand plan
diabetic retinapathy
diamond-die
dynamic organization
earthquake frequency
elephant's-foot
exa-watts
externs
fairing
field houses
formal variable procedure parameter
halation
helm coat
Hemipilia crassicalcarata
hereditary disorder
holorepressors
horizontal bracket
human process technique
Illicium fargesii
ingot bay
inquisitor zonata
instructional item
island disjunction
JFETs
kaloyeros
lakenheaths
leg break
life insurance corporation
linksman
marczyk
massman
melancholiously
mental condition
metal oval-ring closure
methallyl iodide
misspenders
nail sb down to
narrow-band random vibration test
off loader
organic processes
P.M.E.
Pagoda limestone
paleonymies
planned network
Plaskett's star
power interruption insurance
promenade position
propter hoc
regnancies
river-way
Rn.
rubus strigosuss
sacculated
sealed knob
serve sth out
shadowgraph
shlachter
snepp
Span-20
special attention
square nut
standers-by
sterring wheel
structurally symmetrical network
subvertical member
systematic project
tapisseries
transversal limber hole
trillet
TV modulator
twenty-to
uey
value of demand
vertical type comparator
viene
Vierfontien
virological genetics
wage clerk
Wegener's granulomatous nephrosis
well-foughten
Zinsser