[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
a pill to cure an earthquake
ad valorem goods
adenosine'5-monophosphate
Africa time
agreement for assignment
Alpnach
analyses
angibromic adenia
atm protocol data unit
baltazar
barostats
beam building
binocular hand level
blameless
britannia metals
busy in
cars-driving
cathode follower mixer
ceiling sound transmission
Ceratocoryaceae
Chanaan
Cobb's disease
continuous voltage at locked-rotor
Craw unit
debt claim
decarbonations
deep cut
dellucci
dr death
drill head machine
drives away
electrohydraulic brake
Engler viscometer
Eremopyrum
far-forth
floor incineration equipment
function group control
gervaise
growth zones
Hall aluminum process
haptolachus
heart peas
hedwigia ciliata(hedw.)p. beauv.
helvellas
ICODES
induction number
Ingolf Fd.
inventory variation
inverting gate
invisceration
jeebus
joint of lap splice
land sakes
lint
lomomite
majendie
Mangamahu
maximum precipitation
mercury jet pump
Methazon
Microsofted
Modernismo
molass
muflon
multiloop feedback
myriare
nonresaleable
Notification of Quarantine Treatment
oral flap
physical agility
plentiful
postirradiation syndrome
premodifier
pulseposition modulation
Quiteve
relationship-maintenance
repeal a law
repeat marks
right-hand screw thread
rites of passage
rod drop accident
Rothamsted
rudolfo
runninglight
RVS (reconvergent variable set)
sales message
sicknursing
slim-fit
stability of gyroscopic system
suspension operation of orbicularis
thermal desorption substance
to manage
top of slope
total invested capital
twin plane reflection
ultreya
upsetting ring
VCP (virtual circuit control program)
Vicia villosa
viviparism
waste gas superl eater
weighing scales