un. 准锰

This is Scientific American's 60-Second Science, I am Cynthia Graber. This'll just take a minute. It might look and even feel like paper, but a new material created by scientists at MIT is designed to be an oil spill super-absorber. This technology d

发表于:2019-01-08 / 阅读(111) / 评论(0) 分类 Scientific American(六)月

This is Scientific American -60 seconds science. Im Cynthia Graber. This will just take a minute. A coal mine can degrade its local environment. But fungus may inadvertently help clean up the mine with its own waste products. Researchers worked with

发表于:2019-01-08 / 阅读(121) / 评论(0) 分类 Scientific American(七)月

This is scientific Americans 60 second science,I'm Cynthia Graber.This will just take a minute.A coal mine can decrease the local environment but a Fungi may indivertantly help cleanup the mine with its own waste products. Researchers worked with the

发表于:2019-01-08 / 阅读(127) / 评论(0) 分类 Scientific American(七)月

Here are 7 health problems from eating too many almonds! 以下是吃太多杏仁会导致的7种健康问题! 1.Kidney Stones 肾结石 Certain diets and foods can make people more prone to kidney stones, especially diets high in oxalates. This is

发表于:2019-02-07 / 阅读(111) / 评论(0) 分类 英语美文

By Saqib ul-Islam Washington 12 October 2009 Amreeka's stars, pictured on the movie's promotional poster What is it like for a mother and her teenage son to settle in America? And what if they are Palestinian and their arrival coincides with the ons

发表于:2019-02-20 / 阅读(152) / 评论(0) 分类 VOA标准英语2009年(十月)
学英语单词
adipinketone
agreement on licensing
allegis
arrested eruption
artificially acquired immunity
Bergenhem's opcration
beta titanium alloy
blue iron
book pricc index
bubble formation
Case-hardener
chat rooms
cross education
Cupedidae
depressing Qi and relieving asthma
diaphragm amplifier
doctrine of part performance
Dokali
dopant redistribution
downrush
dual liquid applicator
E. I. C.
echiodon coheni
emission type tube tester
endocrinous
enumeration algorithm
field engine
fiendish
firegrate
flew out
full-faces
gallons per hour
gerbers
gigatonnes
give sb a flat refusal
government buildings
Guimanite
have meals
helical blower
heracleifolia
holographic memostorage
hydraulic riveting
hydraulically-loaded pre-stressed rolling mill
inflatable appliance
internal combustion stove
international documentary association
isobutyryl chloride
kid brothers
king's cake
konosirus punctatus
law of ocean-going trade
limestone petrography
limit of brightness
magnetic sheet handling unit
mannan
masersats
matching with simultaneous assignment
Mates Receipt
Mel'nytsya-Podil's'ka
Mevinacor
mutual precipitation
namelessnesses
nonrugged
ondulateur
oscillating lapping machine
palpebral lithiasis
peckings
played it cool
polymeric material
power frequency earthing resistance
propeller guard
prospective activities
Prunus cerasus
psychological system
rate of manure
remote recording seismograph
ride someone on a rail
riedesel
salmon-colored
screening test
sea monsoon
Shalbuzdag, Gora
shoestring trading
sine-consine condenser
Skimmia arborescens
spread of coil
stiff-flex
substantial deviation
tabled zero-sided Lindenmayer system
tatting lace
Tetrasorb
thickskull
time mark
town and country
underedge stone
user-micro programmer processors
ventriculojugulocardiac
Vincetoxicum versicolor Dcne.
who-does-what
window unit
withering degree
working dress