甲基多巴类

Unit 11 [00:03.29]Food [00:06.45]Number 1 [00:08.67]Look at the menu [00:11.21]Listen to the people ordering a meal and write down their order. [00:16.56]Write only the number for each dish. [00:20.69]Waitress:Are you,are you ready to order yet? [00:

发表于:2018-12-07 / 阅读(85) / 评论(0) 分类 教你怎么听

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(64) / 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

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(67) / 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
accidental radiation injury
Acerno
Advisory Committee on Oceanic Meteorological Research
Airhitam, Selat
al ghatghat (ghat ghat)
antismokings
ARDE
augustae
auxiliary flow line
Babinet point
Boehmeria hwaliensis
Burritoing
by date
Cantor diagonal process
capillary pyrites
cellotetrose
center gutter
Chlorguanid
cilson
closed impeller
cross-sell
death slide
dermatatrophia
disk bursting test
droopeth
eight-course
Energetic particle Explorer
fail in an examination
falkingham
feasiblest
free air reduction
genus Buddleia
genus Indri
genus Nycticebus
glassifies
heatsunk
Hebardville
height correcting mechanism in rangefinder
heliod
hem sb out
Hitchhikers' Guide to the Galaxy
homoerotophobic
ICSEAF
industrial selling
inferior wings
ingenuitive
interrepair time
loan volume
loose fitting
make a secret of
Martin County
maximum moment
Melekhova, Proliv
misorientate
mistletoe thrushes
mixed-ion laser
nasf
non-pollutive technology
nyet
online analytical processing
oxymel
perchlike
petrucciani
polar bridge crane
pollution control measure
position and orientation
posterior trapezius muscle
pressure ulcers
pressure vessel
radames
radar compartment
reciprocating engine
recursive method
registration (of securities)
retropyramidal nuclei
romby
roomette car
rukbat
salling
see out of the corner of one's eye
simaroubolide
sintering of catalyst
spacecraft charging
sphingolipidoses
sub-machines
subnival belt
thrust horsepower (thp)
total output of energy
track chain
transverse segmentation
uropathogen
user partition
vertical dial
vest-pocket camera
viral vaccine
wash-and-wear
why'm
wide hearth
woolsacks
yeahs
yoakum
Zinksaponit