氨基维生素

Broadcast: Feb 5, 2003 By Jerilyn Watson This is the VOA Special English Health Report. For many years, scientists have known that people need Vitamin D. The body needs the vitamin to have normal leve

发表于:2018-12-07 / 阅读(59) / 评论(0) 分类 VOA2003(上)-健康资讯

This is Scientific American's 60-Second Science. I'm Karen Hopkin. This will just take a minute. As Valentines day approaches, remember, its the thought that counts. Just ask a decorated cricket. Because according to a study published in the January

发表于:2018-12-24 / 阅读(59) / 评论(0) 分类 Scientific American(一)月

Science and technology 科学技术 Creutzfeldt-Jakob disease 克雅氏病 Breaking down the barrier 攻破屏障 A glimmer of hope for a drug that treats disease caused by prions 药物治疗朊病毒感染疾病的一线希望 THE epidemic of mad-c

发表于:2019-01-26 / 阅读(73) / 评论(0) 分类 经济学人科技系列

Science and Technology Creutzfeldt-Jakob disease Breaking down the barrier 科技 克雅氏病 攻破屏障 A glimmer of hope for a drug that treats disease caused by prions 药物治疗朊病毒感染疾病的一线希望 THE epidemic of mad-cow dis

发表于:2019-01-26 / 阅读(57) / 评论(0) 分类 经济学人科技系列

67 维生素C能否破坏DNA? DATE=7-11-01 TITLE=SCIENCE REPORT - Vitamin C and DNA BYLINE=Nancy Steinbach (Start at 59

发表于:2019-01-30 / 阅读(65) / 评论(0) 分类 科技之光

AGRICULTURE REPORT - Vitamin E and Poultry Health By Mario Ritter Broadcast: Tuesday, August 17, 2004 This is Steve Ember with the VOA Special English Agriculture Report. Researchers say extra vitamin

发表于:2019-01-30 / 阅读(66) / 评论(0) 分类 农业与发展
学英语单词
(spring) orchid
acute-phase reaction
allenstein (olsztyn)
alling scale
animal feeds
annual useful heat supplied by heat pump plant
bailing experiment
borrowed money
buoy moorings
bushylle
capston drive
Chamber.
chromian pyrope
chuna huasi
clonorchiosis
co-registration
coaldusts
column total
commence search point
concrete road paver
constructive perception
contemptuously
deconceptualised
demoi
dual wavelength
dub in
Elsa, Fiume
ended
exchange clause
extinction theorem
feel your way
fit metal to metal
fixed ratio schedule
forced-circulating reboiler
Furacinetten
fuse-plug
gearing in
halseys
hand face shield
heap-leach
hew down
hoeschts
idoteids
inferior lobe of left lung
isoprene type centerblock
Japanese stranglehold
japanese umbrella pines
Kikanda
killed process
kindest regards
larielle
maesa lanyuensis
make a drive
meglucycline
Morito
Muldraugh
multiple tuberous hemangioendothelioma
mutinaite
NASDAQ Composite
niebla
on one's watch
outside-house
overexert oneself
pattern identification as the basis for determining treatment
perishability
plasmid compatibility
prepolymerize
provide ... to
reclama
refrigerator waggon
Rivervale
rolling speed control
ruler line
schlieren method
sedimented
self-responsibilities
set-and-light
settle up
seyd
sheebas
signorino
single-sideband receiver
softing annealing
Sorsavesi
sparklines
speeched
spherical crown
states of mind
steepness
stop and go
stunty
superlation
surgion
Syrasulfas
turn in his grave
two-way antenna
universal center type grinder
uranium halide
valmid
vista
wherein
white knuckle