[机] 氯铂酸钠

DAVID GREENE, HOST: Families across the United States are fighting with the federal government over a deadly chemical. Dozens of people have died from inhaling methylene chloride. This is an ingredient in common paint removers. NPR's Rebecca Hersher

发表于:2019-01-17 / 阅读(59) / 评论(0) 分类 2018年NPR美国国家公共电台11月

Every winter some twenty million tons of salt are dumped on America's road.That sodium chloride melts the ice, so it prevents its formatin, helping to prevent accidents. But road salt has its downside. This is not very economical because salt is main

发表于:2019-01-20 / 阅读(107) / 评论(0) 分类 2016年Scientific American(一)月

This week on Why Tell Me Why, we are finding out why the oceans are so salty. So the oceans are salty because the oceans have been around, lets say, for over five hundred million years. And over the course of time what we found out is that weve alway

发表于:2019-01-22 / 阅读(61) / 评论(0) 分类 自然百科2009年

Tony: Who did you invite over for dinner Saturday? Carmela: I invited Keith, Sung, Stephanie, and Luis. Tony: You didnt! Carmela: I did. Why? Tony: Youre going to have a hard time cooking for them. Keith is a vegan and only eats food thats organic. S

发表于:2019-02-04 / 阅读(55) / 评论(0) 分类 地道美语播客

First off, I'll mention that at the bottom of the sea there exist veins of zinc, iron, silver, and gold whose mining would quite certainly be feasible. 首先,我对您说,海底有锌、铁、银、金等矿藏,开发并不是不可能的事。

发表于:2019-02-25 / 阅读(118) / 评论(0) 分类 《海底两万里》中英双语有声读物

There, even more powerful and obedient than gas, electricity did most of the cooking. Arriving under the stoves, wires transmitted to platinum griddles a heat that was distributed and sustained with perfect consistency. 在厨房里,一切烹任工作

发表于:2019-02-25 / 阅读(98) / 评论(0) 分类 《海底两万里》中英双语有声读物
学英语单词
aggrieving
agrium
Aguim
alcyoniums
alizarine blue
alternative demand
angioceratoma
antienergistic
antrophyum sessilifolium
archicembalo
athyrotic
automatic-batch column dryer
azingo r.
baffic arrangement
barn machinery
beaded hair
caducary
carbonnitrogen cycle
Carolina spring beauty
centered difference
chaetosphaeria fusispora (kawam.) hino
chylo-
compensating resistance
complementary advantages
conditioned immunity
contiguous United States
cycle of oparation
dairy farmers
degree of parallelism
dellaventuraite
detachable article
dinoprostone
dirt farming
dissociation of gas
dynamic energy converter
electrical fibre
Embequin
erbaugh
exortive
Fore-named
gatooma (kadoma)
genus Dimetrodon
ground-to-ground missile
holding-down bolt
home-business
icicle plant
import substitution industries
iodine scarlet
irradiated fuel
la'ie
lanceolate spleenworts
limit of set sequence
lithopaedia
mean picture level
mecanique
moon's variation
Munébrega
N-methylbenzyl amine
neat slurry
neomycin
net mouth height monitor
network system reset
neutral-point method
nipple cutter
non-war armed conflict
nondurable consumer goods
NSFTD
off-gas cleaning equipment
Oldspeak
olovo
orinda
oxoisomerase
parsing process
parts-handling container
potential output
product sensitivity
proroglobulose
pudendal fissure
pyrocystis hamulus inaeaqualis
remote surveying of liquid level
renal arteries
road-mixing
roll-position control
room rate
roses
schuchardtite (nickeloan clinochlore)
scripturary
sensory pathway
set ... back
small end bushing
Sorok
squishinesses
supersynchronous oscillation
TDM group reset
telescopes
Tennessee R.
thrust vector control
unc-greensboro
unrecord
uroeythrin
waveguide sweep reflectometer
Zambrini's reaction