[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
activation control
back connected switch
bagged-out
ball warper
battery of presses
becvar
bennedetto
breaking down field strength
building block design
by the roots
calendar variance
cardae tendinae
classroom noise
common knowledge
compensating stops
corran
cubooctahedrons
degree of bed development
descendant of the dragon
digress
discourse theory
draw sheets
drinking tank
dwarf galaxy
Elizabeth Taylor
enzyme repression
fibre spinning
finish roll
flag-officer
flocculation oil removing method
fracture shape
fresh cucumber salad
frictionfactor
friedrichshains
Friedrichtanya
galactagogue
ganj
geoparsers
grid type photomultiplier
have no kick left in one
heating flash evaporation
hemad
here documents
horizontal draw-out metalclad switchgear
instruction look ahead unit
intersity limitation
intraperoxisomal
iodosybenzene
IOERROR
knot formation theory
krum
L1718
licorice paste
linda femorata
line of no declination
loading capability
Maiorca
manifest hyperopia
Mcgee graph
megalux
member states
Methanothrix
microsphaera astragali (dc.) trevisan
minimizating algorithm
Moschus moschiferous
multinstrumentalist
multiple freight
neoprene
no string
nodule bacteria inoculation
nominal lifting load
nucleon-isobar
one-way mirror
partwords
Petermann Gletscher
pienet
plant mulching
positive-grid multivibrator
pre-genital
prednisilone
projection matrix
quaternary gain control
radial compression
reap-time
rectal veins
red.
response time window
rigger's vice
rumongite
Sherbakul'
shulder
siege perilouss
Sobraon
source code manager
symphoniously
systematic esthetics
the Federal Open Market Committee
thermaxes
todger dodgers
tomato pulp finisher
Universal Telecommunication Radio Access Network
unmoralities