氯化钼(V) {五氯化钼}

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(103) / 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(92) / 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(142) / 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(102) / 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(93) / 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(167) / 评论(0) 分类 《海底两万里》中英双语有声读物
学英语单词
abnormal farms
allelic variation
alseroxylon
anleth
back-bit
be in the box
bist
black-ice
boiler plant
buaas
canvas door
catch-phrases
choking phobia
cmitosis
composite conductors
cyclobuxine
Cystex
D-Penamine
Dawega
delicates
dental ankylosis
desynchronized sleep
deuteriation
disease control statistics
dismurdered
disprovabilities
diversity telecommunication system
Doladene
double dot dash line
dyna-, dyn-
employee withholdings
enabling key
formal invitation
frankl
frost-resisting power
fuel water washing system
Germanomania
goal expression
ground-base
gunner's compartment light
heavy-duty compressor
heterodontosaurids
honorary trustee
Hunter color
ill balanced soil
indescribableness
integrated regional cooperation
laying of (pipe)line
lick one's feet
limited-production
lipoblasts
litherness
malewrus
meticortisone
Minduri
mobies
Modiin
MSPRIA
neuromyositis
nirvikalpa
nukul
oleum phosphoratum
olfert
output expander
Paleophytic
perrons
plunge master
QDC (quick dependable communication)
qt
quisset
re-stage
reasonally
red lake C pigment
reel fore-and-aft control
registering thermometer
ridgeon
rotor inertia cooling
Sarayevo
sarcoma-45
Scandinavia
sherburnes
solid state electronics
sprain of neck muscle
statistical element
steam huff and puff
subscene
target cell anemia
tarsoplastia
termination capacitor
touch-tone data service
troated
tuberculosis of scrotum
turrels
tychism
undercrest
unsoppy
vegetability
venture evaluation and review technique
vernier time signal
winch suspension
wrecker truck
zona occludens