二溴化磷 {溴化磷(II)}

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发表于:2018-12-04 / 阅读(200) / 评论(0) 分类 英文魔法师字源大挪移

Anne Karin Kaasa - Gje Meg Handa Di Gje meg handa di, ven, naring;r det kveldar, det blir moslash;rkt og me treng ei hand Lat dei ljose og venlege tankar, fylgja med inn i draumars land Lat varmen fraring; ein som er glad i deg, tenne stjerner i mosl

发表于:2018-12-14 / 阅读(204) / 评论(0) 分类 十八首全球最好听的女声

The little splints of wood which we call matches are made out of deal or pine wood which has been soaked in melted paraffin wax to make it burn more easily. 这种被我们称之为火柴的薄木片由欧洲赤松(松树)制成, 在液体的石蜡

发表于:2018-12-18 / 阅读(137) / 评论(0) 分类 英国学生科学读本

Have you ever had a problem getting a match to light? If so, you might be using the wrong type of match. There are actually two different types of matches: safety matches and strike-anywhere matches. 以前你点燃火柴时有没有点不着的时候呢

发表于:2018-12-18 / 阅读(121) / 评论(0) 分类 2018年NPR美国国家公共电台2月

bedizen, [bi'diz(ə)n] v 把装饰得过分华丽而俗气;穿着俗丽 【记】bed床

发表于:2018-12-30 / 阅读(179) / 评论(0) 分类 不择手段背单词

热爱恶搞的投资家Yossi Vardi针对写博客时的危险性发表了详尽的见解。尤其给男性们警醒。

发表于:2019-01-05 / 阅读(171) / 评论(0) 分类 TED公开课:(不只是)男人经

AGRICULTURE REPORT - Restrictions on Methyl Bromide By Mario Ritter Broadcast: Tuesday, March 16, 2004 This is Steve Ember with the VOA Special English Agriculture Report. Graphic Image Some chemicals

发表于:2019-01-06 / 阅读(198) / 评论(0) 分类 农业与发展

This is Scientific American's 60-Second Science, I'm Christopher Intagliata. Got a minute? Life on earth requires six basic ingredientscarbon, hydrogen, nitrogen, oxygen, sulfur and phosphorus. Those six elements are the building blocks for DNA and R

发表于:2019-01-08 / 阅读(156) / 评论(0) 分类 Scientific American(十二)月

By Caty Weaver Broadcast: September 12, 2003 This is Bob Doughty with the VOA Special English Environment Report. Scientists in the United States have reported some good news about the 1)ozone in the

发表于:2019-01-11 / 阅读(164) / 评论(0) 分类 VOA2003(下)-环境与健康

This is the VOA Special English Agriculture Report. Hogs at an Ohio farm Research shows that waste from pigs that are fed a special kind of corn may help a farmer's crops. And it also may help the environment. Any farmer who raises swine knows that

发表于:2019-01-11 / 阅读(187) / 评论(0) 分类 VOA慢速英语2008年(八)月

By Peter Fedynsky Moscow 18 July 2007 Officials in Ukraine are assessing the damage of a train crash in western Ukraine that sent huge clouds of burning phosphorus billowing into the air. The accident, which took place Monday, is raising health conce

发表于:2019-01-12 / 阅读(154) / 评论(0) 分类 2007年VOA标准英语(七月)

BBC Learning English Weekender Shappi Korsandi Stand up Callum:Hello, I'm Callum Robertson and this is Weekender. The Edinburgh International festival is a month-long arts and cultural festival held in August in Scotland's capital city, Edinburgh. A

发表于:2019-01-16 / 阅读(440) / 评论(0) 分类 Weekender

MARY LOUISE KELLY, HOST: Summertime brings algae blooms to many parts of the country - those mats of bright green organisms that can blanket waterways. In places like Florida's Lake Okeechobee, the blooms hurt tourism. They kill fish. They threaten w

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7月

The commercial potential for the stuffwhich soon became known as phosphorus, from Greek and Latin roots meaning light bearingwas not lost on eager businesspeople, but the difficulties of manufacture made it too costly to exploit. An ounce of phosphor

发表于:2019-01-29 / 阅读(136) / 评论(0) 分类 万物简史

今天我们要给大家介绍两个以

发表于:2019-01-30 / 阅读(242) / 评论(0) 分类 美国习惯用语

AGRICULTURE REPORT - Cover Crops By Mario Ritter Broadcast: Tuesday, March 23, 2004 This is Steve Ember with the VOA Special English Agriculture Report. The idea to grow a crop that improves the land

发表于:2019-01-30 / 阅读(167) / 评论(0) 分类 农业与发展

今天Larry和李华要到朋友Bob家里,Bob因为要搬家,所以把他的立体音响卖给Larry。今天李华会学到两个常用语:dibs和shotgun. LL: I'm really glad that Bob gave me fi

发表于:2019-02-05 / 阅读(200) / 评论(0) 分类 美国之音《流行美语》

Choose the word or phrase which best completes each sentence. 1. He has to know you for a long time before he really begins to come out of his ___. a . shoe b . hell c . shed d . hole 2. I tell you I know for certain that Lisa will be promoted to man

发表于:2019-02-05 / 阅读(164) / 评论(0) 分类 英文语法词汇

Matches Striking matches, on this Moment of Science. Have you ever had a problem getting a match to light? If so, you might be using the wrong type of match. There are actually two different types of matches: safety matches and strike-anywhere matche

发表于:2019-02-26 / 阅读(137) / 评论(0) 分类 英语听力文摘 English Digest

Regnet faller ned som tarer av et sorgfylr ar Uhelbredelige sar som i en tidlos klagesang dveler endelose savn og du som drev sa langt av sted i soken etter sjelefred For kun morket kan besta hvor alt det vakre ma forga du som bearrer verdens byrder

发表于:2019-03-02 / 阅读(215) / 评论(0) 分类 英文摇滚歌曲
学英语单词
air/ground sensor
aircraft gas turbine
aldouri
all out of love
Allium maximowiczii
anchoring villus
back-lit
beam intensity distribution
borrowed current capital
brightly-lit
cancellation of intensities
cargo flood light
Cash-surrender value
center of dispersal
Chequers
chrinic
chuck barrel
Clare R.
Cocuy, Sa.Nev.del
coitional
columbite
common kingsnakes
conference (telegraph) repeater
cyclic variation of stresses
dictitate
distributed software measurement system
enzyme degradation dermatitis
ethyl lead susceptibility
external-energy interrupter
Faraday's law of electromagnetic induction
foldback current
fortran ii
fraxinus mandshurica rupr.var.japonica max.
funiculus separans
genzken
get together with
goal-oriented temporal reasoning
gradation of moisture
hand-operated photo-typesetting machine
hard capsule
have something on good authority
heat conducting fluid
herrnson
hyper-hemispherical lens
IFR (internal function register)
index sequential
indic carbonate
info window is frontmost
jack point
load signal conditioner
megastructure
mercurial intensification
motorized travel lane
multifuel engine
no smoking and fasten seat belt sign
NP (normal pitch)
on the bus
one's opposite number
opposite transition
ossification
oxtant
palatal cleft
parpend
peach puree
portable x-ray machine
portreeve
prolonged exposure
pudding
puts someone down
Rava-Rus'ka
recognition factors
refrigerated pallet vessel
reprobating
Rh positive
Ross, John
sanza
set on fire
Shihchiachuang
Sinosophiopsis
spreader incline device
spring-loaded oil seal
stubble field
studio facilities
Study principle
superfiche
support-rig downhole drill
target location
tetraleioclone
the bird has flown
Thurnau
Tianshui
time to access
tongue-punch
trielectrode arrangement
uberdorks
under cultivation
united nations development program (undp)
wakasagi
wanderer
weed-control method
wire breakage lock
zimbel