[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(117) / 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(162) / 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(100) / 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(151) / 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(109) / 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(103) / 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(177) / 评论(0) 分类 《海底两万里》中英双语有声读物
学英语单词
absolute judg(e)ment
acid-resisting centrifugal pump
aethiops martialis
alpha diversity
arelto (dominican republic)
atactodea striata
beaming
bisdiketopiperazine
blackboards
business stimulating measure
capocchianoes
center of displacement
chip and PIN
Coleshill
crystal audio receiver
cuproauride
curvelet
d'aunno
dam break
data potentionmeter
diabetic neuritis
dicynodonts
distomatosis intestinalis
dronabinols
dry offset ink
dual spindle
duodenal autacoid
effective diaphragm area
elastic expansion joint
eletroosmosis
enchasten
encounterer
foundry form
fumaricine
global flexibility matrix
globosous
greedsome
green water
happen what may
Harwood
hectosteradian
high mast lighting
HREC
hydroxy chloroquine
Hātibāndha
intercellular substance
intermediate management
International Convention on Tonnage Measurement of ships
involute equation
IRC client
irrevocable documentary acceptance credit
jovent
knee voltge
land snail
Lffler's methylene blue
lift-improvement device
lunga
mammie
marine deposition terrace
MastCam
maximal right ideal
medicamentous
mesonotal shield
microfluorimeter
multipiston
munida tenuipes
muscular counterforce
Musculus compressor urethrae
Nothnagel's bodies
operation(al) speed
out-of-the-box
ozone monitoring
parallel catalytic wave
parmelinopsis expallida
Passiflora siamica
paterna
posterior fibrous ligament
prime steam
procurator litis
reed blade
reshifting
reversed-phase partition chromatography
rope-makings
sandwich-type panel
secondable
Segovia aqueduct
selfdirection
sheep shears
shortwave diathermy machines
social meaning
statistical betatron process
stimulus artifact
strawberry-banana
student-centreds
superdelicious
targat
trap exploration success ratio
tree anatomy
Tugela R.
turbett
yellowfin mojarras
Zimmi