[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(175) / 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(175) / 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(229) / 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(174) / 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(157) / 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(273) / 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(198) / 评论(0) 分类 托福英语
学英语单词
acetylcuparotin
alarm-free
androgenital syndrome
arsenian destinezite
aschers
at lower rates of N application
azured
batch mill
bed formation
broken-stress bridge
brunneocorticium pyriforme
carbon black particle
Christopher's spots
close check
closed core type
cock neck hackle bronze
collationing
common purpose
cyclax suborbicularis
data interchange format
determination of mucin
distorted wave (form)
Document area
ducas
effective stopping power
electric blasting circuit
electronic authentication
eve-ning
evolutional ecology
eyechart
family Pleurobrachiidae
family Pontederiaceae
farolito
ferrocement tile
fiduciary relationship
genus Rhagoletis
grid-control tube
hadronised
hampers
hellafied
hepatorenal glycogenosis
high definition camera
high resolution spectrometer
Hymenolepis murina
IC (interchange center)
intersymbol(ic) interference
inulase
ivc
Jabung
Kekri
Kinross-shire
lacertus
Lambert's Bay
leguminar
Lephalale
logistics support plan
low-velocity coorection
lube oil warehousing
lullabylike
Malacocottus
mas'
Monticiano
multifrequency compensator
norwegian krones
nuzzi
Nāsrābād
on stand-by
outened
overburthen
patch.com
payment book
periodic system of elements
phonedisc
pp15
preliminary notice
puffed-rice
quasi linear approximation
recognition clues
recouer
renal damage
res litigiosa
responsiblity
rolling of earthwork
saddleblock
saleswomanship
Sand-binder
sauks
semicytherura compressa
shaking force
shipped off
shrevalty
spokesmodel
stick-tights
superthermal
thick myofilament
tomas de torquemadas
turn into the line
two-photon decay
unconfided
wet and dry pipe valve installation
Zeiss sonnar