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This is Scientific Americans 60-Second Science. Im Cynthia Graber. This will just take a minute. Saliva contains many useful components: lubricants, enzymes for breaking down food and now compounds that can reveal a persons age. Thats according to a

发表于:2018-12-24 / 阅读(60) / 评论(0) 分类 Scientific American(六)月

Ever get a sour stomach after your morning coffee? Well, you might end up switching to a dark roastbecause that coffee concoction may leave you with a happier tummy. That's according to the research presented at the American Chemical Society meeting

发表于:2018-12-24 / 阅读(66) / 评论(0) 分类 Scientific American(三)月

M Madasiatic acid 崩大碗酸 Magnoflorine 木兰花碱 Magnolia cortex P.E 厚朴提取物 Magnolol 厚朴酚 Maitake mushroom P.E 灰树花提取物(舞茸提取物) Malonyl Oleanolic acid Hemi

发表于:2019-01-03 / 阅读(59) / 评论(0) 分类 医务英语

AGRICULTURE REPORT - Restrictions on Methyl Bromide By Mario Ritter Broadcast: Tuesday, March 16, 2004 This is Steve Ember with the VOA Special English Agriculture Report. Graphic Image Some chemicals

发表于:2019-01-06 / 阅读(83) / 评论(0) 分类 农业与发展

By Caty Weaver Broadcast: September 12, 2003 This is Bob Doughty with the VOA Special English Environment Report. Scientists in the United States have reported some good news about the 1)ozone in the

发表于:2019-01-11 / 阅读(66) / 评论(0) 分类 VOA2003(下)-环境与健康

Science and Technology Epigenetics and stress Baby blues 科技 外因遗传与压力 新生儿蓝调曲 A mother's stress while she is pregnant can have a long-lasting effect on her children's genes 母亲孕期压力过大会对孩子的基因造成长

发表于:2019-01-26 / 阅读(58) / 评论(0) 分类 经济学人科技系列
学英语单词
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amitted
anto-nia
bbffs
bellows flowmeter
Birmingham Six
bohren
bonkers
box shook
calliphorine myiasis
capacity bridge
cartwrights
caudal salivatory nucleus
cemented side seam
center-type cylindrical grinding
colma
consistency effect
crested dog's-tail
cum coupon
diverter
dividend order
dmrt
driven off
dystonia-improvement-dystonia
earmembrane
Echinochasmus
Eir.
epidurally
Erb-Landouzy disease
eude
fiberglasses
flange nozzle
food asthma
forest-land tax
Frambouhans
functional play
garden sorrels
grassroots press
guard beam
half one
Harvey steel
hashed browns
haul-down system
hepatic porphyria
hindquarter cut
Hircite
imidodicarboxylic acid
intended role
interphalangeal(joint)
j'aurais
Kameshkirskiy Rayon
lactims
laiphognathus multimaculatus
lane load
loose sentences
Miazal
multiple system power distribution method
mycotic arthropathy
netman
night operator
nongeneric
nonrecruited
order colymbiformess
outdoor pit
overhangine-type steam hammer
Pallottines
parametric frequency divider
pollution of sea by ship
postslavery
precarious position
pseudo-color component
r-e
RCI (read channel initialize)
reflection invariant
registration of alteration
retu
root mass
sargocentron spiniferum
seedling laying
sex cycle
sheetpile quaywall
sinow
skedaddling
slaggin'
sound pendulum
splitting of papillary muscle
spring a surprise
statistic of random processes
stay-put
straightens up
structure of wood
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tenonot-
theoretical strength
thymol iodide
to take to one's bed
Touchpad mouse
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Trikacide
tweendeck ceiling