[化] 草酰氯; 乙二酰氯

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(156) / 评论(0) 分类 VOA标准英语2014年(六月)

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发表于:2018-12-30 / 阅读(157) / 评论(0) 分类 单词解析速记

一个挪威的喜剧演员二人组,他们主持的脱口秀电视节目在挪威本地有不少忠实观众,而《狐狸叫》原本是他们为了宣传新一季节目开播而制作的宣传歌曲。这首歌犹如童谣的歌词注定了它的

发表于:2019-01-08 / 阅读(179) / 评论(0) 分类 英乐时空

An ass and an ox,fastened to the same yoke,were draging a waggon.While the ox was pulling with all his might he he broke a horn.The ass swore that he had got no help whatever from his weak companion.Exerting himself in the labour,the ox b

发表于:2019-01-09 / 阅读(228) / 评论(0) 分类 趣味英语

一个挪威的喜剧演员二人组,他们主持的脱口秀电视节目在挪威本地有不少忠实观众,而《狐狸叫》原本是他们为了宣传新一季节目开播而制作的宣传歌曲。这首歌犹如童谣的歌词注定了它的

发表于:2019-01-10 / 阅读(536) / 评论(0) 分类 英乐时空

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(154) / 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(209) / 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(147) / 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(143) / 评论(0) 分类 地道美语播客

1) G2G = got to go = 我得走了 2) TTYL = talk to you later = 一会儿再聊 3) XOXO 亲亲抱抱

发表于:2019-02-07 / 阅读(316) / 评论(0) 分类 OMG美语

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(244) / 评论(0) 分类 《海底两万里》中英双语有声读物

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发表于:2019-03-02 / 阅读(201) / 评论(0) 分类 加州英语分级GK

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发表于:2019-03-02 / 阅读(218) / 评论(0) 分类 加州英语分级GK

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发表于:2019-03-02 / 阅读(191) / 评论(0) 分类 加州英语分级GK

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发表于:2019-03-02 / 阅读(188) / 评论(0) 分类 加州英语分级GK

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发表于:2019-03-02 / 阅读(221) / 评论(0) 分类 加州英语分级GK

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发表于:2019-03-02 / 阅读(208) / 评论(0) 分类 加州英语分级GK

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发表于:2019-03-02 / 阅读(191) / 评论(0) 分类 加州英语分级GK

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发表于:2019-03-02 / 阅读(206) / 评论(0) 分类 加州英语分级GK

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发表于:2019-03-02 / 阅读(219) / 评论(0) 分类 加州英语分级GK
学英语单词
abbotts
adjustable pitch-propeller
aemulans
antimosquito
astho
asymmetric division
Bluo-gal
capacity method of quadratic programming
carbon-dioxide multijet
chemical pesticides
Christ
chromosomal
conservative differential equation
coriander seed
creep grazing
deghettoization
despotize
diamond weave
digital memory
distance protection
drip opening
dx atmosphere
effective substance
electrical works
enantiomerizations
equilibrium condensation curve
ever-worsening
Fahrenheit degree
Ferduja
first-class honours degree
grand-uncle
harbor sounding map
head of the reactor vessel
healthy leaves
Hey's hernia
hod-carrier
horizontal-type fine boring machine
in centuplicate
information processing code
intensity of absorption bands
Ipomoea pes-caprae
isochromatic surface
jekabpils (krustpils)
jet-O-Mizer
Khalkhalah
kubic
lamellar hair
mahogany tree
mast head
metagraywackes
Miltona
minite
moist tetter
mono-drum winch
mud minnows
multi-pulse jamming
music drama
natural radioactivity
non recurring charge
nooooooooo
nose-cap
overdo
parathymia
patacon
perceived susceptibility
personal computer game
phosphoridrosis
phyllosticta cynarae westendorp
piece on sth
pigwort
pile static loading test
populated
postpunk
powerslide
profexes
proofing twills
put it mildly
reactor coolant piping
recollective
repair rate function
rod transmission
saurias
saurodont
self-operated regulator
single quote character
slow cement
spatour
st. lawrence r.
staredowns
State Investment Bank
strib
svabite
thin-film microelectronice
Thirza
Trollius japonicus
ulpepsan
Upper Nazareth
ussery
war widow
wateried
wian
xylene mixed