二溴三氟化磷

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发表于:2018-12-03 / 阅读(307) / 评论(0) 分类 20本英文音韵童谣小书(文本+音频)

Sorry,there is not text temporarily, Please help tingroom to look for it! 如果您能找到更好的听力原文,请发贴到 听力原文收集区 ,您将会获得10到30积分的奖励! Thank you!

发表于:2018-12-04 / 阅读(285) / 评论(0) 分类 英文魔法师字源大挪移

今天要讲的三个习惯用语都是和零碎的小东西有关。他们之间的区别只是使用的场合不同,或者是来源不一,用法相近。现在我们就分别为各位讲解这三个习惯用语。他们是:odds and ends, knic

发表于:2018-12-16 / 阅读(278) / 评论(0) 分类 美国习惯用语

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(207) / 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(178) / 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(234) / 评论(0) 分类 不择手段背单词

Grammar Girl here. Today's topic is words that can get you into trouble. Guest-writer Bonnie Trenga writes: Once upon a time, some mistaken citizens stood up for American principals, p-r-i-n-c-i-p-a-l-s. Across the Atlantic, a nutty queen sat on her

发表于:2019-01-02 / 阅读(303) / 评论(0) 分类 英语语法 Grammar Girl

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(209) / 评论(0) 分类 Scientific American(十二)月

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(267) / 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(203) / 评论(0) 分类 2007年VOA标准英语(七月)

Ethiopia will accomplish the construction at any cost whether donors continue funds or not. The giant Gibe III dam, now being built on the Omo River in southwestern Ethiopia is a boon for some, a problem for others. Supporters say it will provide ele

发表于:2019-01-14 / 阅读(254) / 评论(0) 分类 VOA标准英语2010年(九)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(500) / 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(206) / 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(192) / 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(313) / 评论(0) 分类 美国习惯用语

By Jade Heilmann Dakar 19 December 2007 Africa is slowly bridging the gap that divides it from the digital world. Government officials and technology companies are trying to implement programs such as telemedicine and electronic education within the

发表于:2019-01-31 / 阅读(174) / 评论(0) 分类 VOA常速英语2007年(十二月)

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(261) / 评论(0) 分类 美国之音《流行美语》

SANYA, Hainan, Dec. 4 (Xinhua) -- The five BRICS nations intend to focus and work together on developing alternative energy sources. When Bu Xiaolin, vice governor of China's coal-rich Inner Mongolia autonomous region, spoke over the weekend in front

发表于:2019-02-17 / 阅读(202) / 评论(0) 分类 英语新闻

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(205) / 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(268) / 评论(0) 分类 英文摇滚歌曲
学英语单词
akebono
all bounce
Antitrem
backreacted
band head rig saw
Banka tin
basis cranii interna
brasiers
capilla
Cazalla de la Sierra
central motion
Colobraro
coordination complex
croqueting
cusper
cyclical changes
definitive decision
drawing cards
edscopic camera
equal diameter
Eurhinosaurus
Eurya kueichowensis
external cavity modes
falling all over
finite-difference ratio
frame alignment time slot
hadhams
heavy residual stocks
herekes
honourable discharge
humphrey bogarts
huntergatherer
imbricated leaf
induced crystallization
intrinsic equation of curve
jabiru
Kunwi
least-recently-used
lvx
M-N blood group
man-haulage
marketing revolution
mess ... around
micromoduletechnique
mirehs
mixed fuel burning
moneda
most-favoured-nation principle
multilingualize
multiple constraints
no-bake sand
Noire, Mtgnes
NPHA
nude ion gage
Ockhamistic
oggle
oligopsonistic
participation financing
Pauldopia ghorta
peer-groups
philanthropic
pingueculum
plant-pathogenic fungi
plug hats
plum (prunus)
power projection
pressed and sintered pellet
private monopoly
pugmills
quantity of output
rake out information
reduce circumstances
rod scraper
Ryssopterys timoriensis
sectioning alidade
sectorial chim(a)era
short subject
short-landing certificate
shunting team
sinopiss
soil stabilization by freezing
speed regulator electromagnet
spray driy porcine plasma
srilanka
stall sequence
subterranean rumbling
syndrome of deficiency of spleen yin
synesthesialgia
t'be
thiometallate
threadjacker
Three Principles of Washington
tnfs
to break
trostle
Ulicinae
voice input
with patience
word-discrimination
wyplosz
yellow ligament
zig-zag