[化] 氰尿酰氯; 三聚氰酰氯; 三聚氯化氰

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(189) / 评论(0) 分类 VOA标准英语2014年(六月)

Serbia Declares 3 Days of Mourning for Flood Victims 塞尔维亚哀悼洪灾遇难者 Serbia has declared three days of mourning for more victims of the worst floods to hit the country in more than a century. Severe flooding this month has killed at

发表于:2019-01-14 / 阅读(274) / 评论(0) 分类 VOA标准英语2014年(五月)

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(195) / 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(242) / 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(183) / 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(170) / 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(311) / 评论(0) 分类 《海底两万里》中英双语有声读物
学英语单词
-yne
a per se
a ship
aguero
aicr
allocation of profit
alundum filter
assurance of accuracy
athol fugards
automatic plotting board
auxiliary spark-gap
bearing capacity of soil
bioc
bit set/clear mode addressing
bottom double seaming machine
bowdlerising
boy-next-doors
brego
cachectic edema
Camarzana de Tera
capias
carcelia (senometopia) prima
Casaglia, Colla di
Cockblocked by Steve Jobs
coke coated
color video camera
coney
Control unit.
corrosion-resistant alloys
counter-scout
dainz
descaling rolls
diaminofluoresceins
DIS/SEC
double-scale instrument
Duverney's muscle
fern palms
flat plate-type grain
fraction of sample in gas phase
frequency analyser
G. J.
genus beaumontias
geocache
ground speed (gs)
H-coal process
Hodara's disease
intrascrotal
issue a bill of lading
Jeffreys-Matusita distance
kadanoff's transformation
Keys made while U wait.
lacrima christi
laryngeal vertigo syndrome
limb scanning method
Loeb's reaction
Maingy I.
Meddad, Dj.
mine equipment level
Montgaillard
muscarine-like
Myrioneuron nutans
navicula asymmetrica
necroinflammation
nonimmediate
notomyss
NP-completeness
Old Harbour
parid
pen tests
pie chars
pinnal
Plan B
plate and tube condenser
plys
pointed support
principal invariant of tensor
process image
propenyl trinitrate
proprietary formula
quadratic programing
rapuung
received image
reserve center
retrotranscribed
road barrier
rotor windage loss
scanning oscilloscope tube
sea-rockets
self-cleaning twin-screw reactor
sky-wave synchronized loran
static equation systems
subacutes
surplus capital
synkarya
Tarlos
tctrose
total capital expenditure
trace test
turn-lengths
Uriodon
velocity-modulated electron beam
viatical settlements