[医] 氯化氨基甲酰胆硷

New Solar Cell Minimizes Environmental Risks in Manufacturing Process 新的太阳能电池减少生产中对环境的危害 Scientists in England report the development of a new solar cell that minimizes environmental risks in the manufacturing proc

发表于:2018-12-08 / 阅读(62) / 评论(0) 分类 VOA标准英语2014年(六月)

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(109) / 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(64) / 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(120) / 评论(0) 分类 《海底两万里》中英双语有声读物
学英语单词
1-phenylnaphthalene
accelerating ducted propeller
acupuncturist
Ahrimanic
aircraft's survival craft station
Angelica dahurica
annex the honors
anti-shock earth device
apex of bladder
Araltay
arctan
avian leucosis complex
bayonet cap
benzyl boric acid
boiler efficiency test
box white oaks
burlando
busting it
chain angle
characterdeletion
Chepo
coincident basin
compact video disc
confidence men
conus striatus
corydora
couldns
cutterman
dealkylative
deep posterior sacrococcygeal ligament
difficilitate
divided crankcase
Duncan Peninsula
electronic objective
epimyth
episcope
fall and tackle
false quarter
flash a glance
ftm-fta
halter
hand-me-down
handholing
heavy bearing
higher-high-water interval
hover-ferry
hydroxymethylfuraldehyde
imagevisions
in fighting trim
integrative theory of leadership
jaybirds
lay into
life-choice
mafites
mid-wale corduroy
middlekauff
mon-dimensional coefficient
Mosqueruela
Muir Seamount
mutual solvent
Navalmoral
net profit rate
non linear stability theory
nursery screening
occurrence of damage
ocean depths
octopyranoses
ostricization
Otanthera
pennyroyals
peritoneo-puncture needle
pomerance
posted
predefined environment
prosopium cylindraceums
ptop
public dialogue
rate of tidal current
resellable
resulting mixture
ribat
roof contour
shafting testing lever
shoot down in flames
sidedresser
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still grease
straight-fee method
stripe canker
Sulfide minerals
superficial palmar branch
sweptin
taper internal thread
thermoelastic
total work content time
toxophorous
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ungirds
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valve seat
willowed
yaupon hollies