氯化钼(IV) {四氯化钼}

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(60) / 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(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(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(119) / 评论(0) 分类 《海底两万里》中英双语有声读物
学英语单词
'umra
2-bornanone
adds-in
algeldrate
Alkazid unit
angle of mandible
Bang Giang, Song
basifiers
bears up
benavides
bis in die
Bol'shiye Kaban'ye
carolean
cervicum
chances are against it
chopping shutter
chromisms
colouring pencils
COMICEDEFOR
confectioneress
constant pressure expansion
crasing
decarnate
Delingsdorf
deposal
despiteous
Donnersbach
dorsiflexion sign
double jet carburetor
double-press process
drop inlet spillway
electronographic device
establish oneself as
fakedie
fucktardedness
giscardians
gudgeon of universal joint
hemipterous insects
hemizygosity
high gain oscilloscope
high purity tantalum oxide
impulse momentum
insoluble impurity
inverted telescope
Jesus Prayer
jirina sequential procedures
Kozlovo
kutter
la commumaute' francaise
lateral binding
limb girdle
lutteurs
m3s
macrocell
meandrically
merycole
metastase
mirimostim
MO,M.O.
myotendolysis
nauticus
occipito-vertebral artery
odd-dimensional
Oospora indica
opening to application ratio
orientation ratio
penny a line
pick pocket
pillar for side panel and door
plumbic hydride
previous generation
pseudosounnd
replacing cost
Rickie
right handed coordinate system
rippled wall
SATO2
scorpioides
see through
sequence checking routine
set sb an example
shonker
signatory representative
SOMS
spark intensity
stack in favour of someone
successful bid
surface analyzer
T-O-E
the sands of time
titty bar
tower wagon
trailer camp
transamidination
trimontite (scheelite)
tubate
turbofans
vertebral arc
violation of woman
voluntary-contributions mechanism
waiting on
wedge groove