甲基戊烯二酸单酰

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发表于:2018-12-06 / 阅读(75) / 评论(0) 分类 格列佛游记.Gulliver's.Travels

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(63) / 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

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(88) / 评论(0) 分类 农业与发展

A rising dispute between militants in Somalia may have split the country's al-Qaida-linked al-Shabab group into two factions. Reports say the suicide bombing at a Mogadishu hotel earlier this month deepened divisions between an al-Shabab leader close

发表于:2019-01-07 / 阅读(61) / 评论(0) 分类 VOA标准英语2009年(十二月)

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
3-d animation
a sore throat
aeronautical satellite communication
air activator
alumina-magnesia
aneurysmal bruit
antirickettsial
Avoca R.
Baring, C.
batocera rubus rubus
bradford sett system
brine liquor
bronchial glands
Calliostornatinae
Calvinize
camshaft lubricating oil pump
Carex nervata
Chistopol
claw-coupling
cold body discharge
coverage density of droplets
Daym Zubayr
defective brazing
engraulis
enroute speed
entomeres
equation of time
evoxymetopon taeniatus
extensible
facsimile transceiver
fancy dive
fiber reinforcement
fibre opic endoscope
fire cracker welding
for a couple of days
fournier's gangrene
gasvolume
gelidium kintaroi
generative genesial
ghotbzadehs
grease collar
greenish
haledon
heavy-weight diving outfit
high speed camera
ice creamery
ignatz
image merging
inevitable hour
Isolation Quarantine
Johnny onions
Katangese
key discipline
lanthanum boride ceramic
loans out
low-conflict
minimax search
money sale and purchase
n-ary projective group
nuclear satety operation criteria
off-set wavegiude
orysastrobin
Plectoidea
polar geology
Polyketoacidomycin
preantepenult
procurement lead time
public way
Puerto del Rosario
radio communication beyond the horizon
reciprocity effects
relief area
resplicing
Rhododendron bracteatum
robot mechanism
roll of honour
roller type veneer drier
rubber covered braided wire
sea-faring
semantic preference
settle claims and debts
single channel encryption device
sinterklaas
some line
Spirochaeta plauti-vincenti
stay here forever
Stolbishche
Teram Kangri Pk.
the principle of
theismann
Trilobine
unintendedness
unkeeled
unkembed
water plantain
wave pumping
weak commodity
white-ears
Yespe
Zanidip
Zeeman slower