[化] 丙酮合亚硫酸氢钠

Simple New Test Detects Early Signs of Diabetes 新型简单测试或能检测出糖尿病早期迹象 People with Type 1 diabetes, usually diagnosed in children and young adults, must take insulin injections and watch their diet to keep their blood

发表于:2018-12-16 / 阅读(35) / 评论(0) 分类 VOA标准英语2015年(一月)

I couldn't get over this mess. The federal government is confirming what Joan Glickman of Pompano Beach, Florida suspected all along. Tainted drywall from China is giving off a harmful gas that's turning her air-conditioning wiring black, causing it

发表于:2018-12-20 / 阅读(51) / 评论(0) 分类 cnn2009年(十一)月

Air pollution outside is easy to spot, hanging over the city, or sputtering from a tailpipe. But there's lot of indoor air pollution, too, even if it's not as obvious. It's caused by volatile organic compounds, or VOCs. They can come from building ma

发表于:2018-12-24 / 阅读(40) / 评论(0) 分类 2016年Scientific American(八)月

Mercury Fillings Seem Safer over Time A study in the journal Chemical Research in Toxicology finds that mercury on the surface of dental fillings slowly turns to an inert sulfide compound, which should keep the mercury from harming the nervous system

发表于:2019-01-02 / 阅读(107) / 评论(0) 分类 60秒科学

From VOA Learning English, this is the Health Lifestyle report. Garlic is one of the most common cooking ingredients around the world. Many dishes in Europe, Africa, Asia and the Americas use this strong-flavored vegetable. Garlic is similar to other

发表于:2019-01-12 / 阅读(86) / 评论(0) 分类 2016年VOA慢速英语(十二)月

Fred: Hi, Shibika, so this is almost the end of the year, 2007. Can you tell me a bit, how was your year this year? Shibika: Yeah, I had pretty nice year actually. I went through a lot of ups and downs, and yeah, at first I did really well in my clas

发表于:2019-01-20 / 阅读(126) / 评论(0) 分类 原版英语对话1000个
学英语单词
accelerations
alphacillin
applial
attenuated total reflectance method
baby-to-be
beasted
blower cutoff
Bolton Fell
Bootable USB
boutsta
broadfeet
camel thorn
central algebra
chamotte ceramics
chlorfenson
clopton havers
Colocare
commentations
contradistinguisht
crank vessel
deck and hold supply carrier
design waterline
devote ... to
diamond skin disease of swine
drum-type incubator
educationese
eel worm
enfield
Fallotaspis
fireman's ax
gibbosum
gone goose,gone gosling
got to your feet
grippies
groove of pterygoid hamulus
group grope
head-housing
high-priest
higher order differentiation
hydroxyphenyl-phenyl-hydantoin
Hypercholanemia
i-stonden
idiot card
idolastres
IICR
IMRD
infundibular jeratosis
institute of industrial engineers (iie)
integrated services line unit
iron scurf
kernelling
Leader of the Opposition
lesser spearwort
lifecycle management
lisle finish
live animal's rate
loaded circuit efficiency
makaira nigricanss
marijuanas
mark down something
mcbeath
miscolors
miswedded
monopotassium l-glutamate
MTRE
nasal proper cavity
needle-case
omohyoid
pc-xt
Pentium III
physical reference standard
positive adjective
PPAG
proper length
radio-frequency bandwidth
recker
recombination noise
rentamob,rent-a-mob
risk exposure
romanji
rosepath
Rubia alata
schima superba kankaoensis
screw thread miller
selinen-4-01
sintex-tox
starch dust
stress-response
tacamahacs
tactical stowage
Tamarix chinensis
the ghetto
thewb
trial of war criminal
unamenability
Unapool
unpremeditable
UPS charges
valve-rod
visnagin
Vivien
worrill