[化] 硫酰氯

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(146) / 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(140) / 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(197) / 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(140) / 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(135) / 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(230) / 评论(0) 分类 《海底两万里》中英双语有声读物

推论题(Inference):文章中有些论点/观点没有明确阐述,但却强烈暗示出来了。例如,文章论述的结果引出了,推论题就可能就造成结果的起因提问。如果文中有比较,推论题就可能问做比较的

发表于:2019-03-04 / 阅读(170) / 评论(0) 分类 托福英语
学英语单词
absorbed-in-fracture energy
acceptor-RNA
accommodation check
ADF
air plenum chamber
anchoring structure
angle of satety
anion translocase
BCU (bus control unit)
brachytherapists
brand-consciousnesses
check harrow
clean air devices
coefficient of scouring
coking heater
cone of order n
crystalline cohomology
custom toolbars
damage-controls
Dendroceros
dermomyotome plate
dicknut
dominating series
door inner skin
drum pad
ecapron
eckhardt
economic revival
electricity price of peak load
emeerates
emphysematous phlegmons
external resource
family hygrophoraceaes
flop-flop register
floriken
fluorocarbon silicone rubber
futureshocks
global maritime training programme
grow on trees
gymnogongrus fullcellatus(ag.)j ag.var.japonicus holmes
hair-pin winding
happen.
Harib
high speed high-resistance counter
holywood
inexistency
injury of meniscus of knee joint
ion(ic) laser
Jamin's chain
joana
judgers
kladstrup
L-Isoleucine
leucinostatins
level indicated control
lifting eyes
loading of streams
loks land
lustingly
marouflage
multichain molecule
navicula scopulorum
non-striker
notch override
one-stepping
orecharge
organ lofts
ought not to
palaeotropic realm
pangaea
photothermoplastics
pick up button
postpartum dysphonia
Powhatan War
purge loop
Ranchester
Razin-Tsytovitch effect
reentrant beam crossedfield amplifier
rogano
saretha
sewage chlorination
sheet metal smoothing roll
simulated in situ method
sinularia pavida
slurry thinner
spiculite
stigmata ventriculi
stroyev
synergic muscle
system measurement
tapered quantization
tendrilly
TERRAMYCINE
thioacetone
toxoptera odinae (vander goot)
Umm Maghrab, Râs
United States Pacific Fleet
unleeful
wiltels
Wisteria villosa
worcester school
yeoman