溶解有机磷

Water Cycle 水循环 All the oceans on earth are salty, while inland water is typically fresh. How does water become salty? We'll answer a listener's question -- today on Earth and Sky. DB: This is Earth and Sky. We recently visited the Austin Childr

发表于:2018-12-07 / 阅读(179) / 评论(0) 分类 (科普英语)Earth and Sky

For quick relief of upset stomach or acid indigestion caused from too much to eat or drink, drop two tablets in an eight-ounce glass of water. Make sure that the tablets have dissolved completely befo

发表于:2018-12-07 / 阅读(147) / 评论(0) 分类 知性英语

By Mario Ritter Broadcast: July 8, 2003 This is Steve Ember with the VOA Special English Agriculture Report. Recently, a listener in Nigeria told us about an organization called World-Wide Opportuniti

发表于:2018-12-07 / 阅读(153) / 评论(0) 分类 VOA2003(下)-农业与经济

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(138) / 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(123) / 评论(0) 分类 2018年NPR美国国家公共电台2月

星级典句: 第一句:After January 1st, our partnership will be dissolved. 元月1日后,我公司解散。 A: What's the meeting about? 会议上说了什么? B: Bad news. 坏消息。 A: What happened? 怎么了? B : After January 1st,

发表于:2018-12-26 / 阅读(115) / 评论(0) 分类 天天商务口语

文本: er.aspx?hjptype=songplayer=5file=-How does it work? -It's easy. -You just press the letters and they printon the paper -Get back, please. -They were trying to hide it, so I knew itwas wrong. -Where's Gwen now? -Doing the dining room with An

发表于:2018-12-26 / 阅读(113) / 评论(0) 分类 跟着英剧练发音

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

今天我们要学的词是organic。 Organic, 有机的,绿色的。 Organic product, 有机产品。近年来,美国很多消费者开始崇尚绿色、有机食品。不过,统计数字显示, Organic food accounted for only 3.5% of the fo

发表于:2019-01-11 / 阅读(152) / 评论(0) 分类 英语每日一词

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(190) / 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(156) / 评论(0) 分类 2007年VOA标准英语(七月)

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

商务英语中最实用的三十个句子 1. We inform you that the partnership existing between us in the business of wool has this day been dissolved by mutual consent. 2. Notice is hereby given that the copartnership which has existed between Mr.

发表于:2019-01-17 / 阅读(167) / 评论(0) 分类 阅读空间

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(154) / 评论(0) 分类 自然百科2009年

今天我们要学的词是suspend。 Suspend, 暂停。 Three high school students were suspended for gang-related activities, 三名高中学生因为参加帮派活动被学校暂停学籍。 Egypt's military dissolved the country's parliament and

发表于:2019-01-25 / 阅读(132) / 评论(0) 分类 英语每日一词

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(138) / 评论(0) 分类 万物简史

通知书 合并 下列署名人, 谨此通知各位顾客, 自即日起以前以F.与T.命名的两公司合并为B.公司,继续营业。 We the undersigned, herewith inform all our esteemed correspondents that the two firms which have carried on b

发表于:2019-02-06 / 阅读(154) / 评论(0) 分类 实用英语

1. We inform you that the partnership existing between us in the business of wool has this day been dissolved by mutual consent. 2. Notice is hereby given that the copartnership which has existed between Mr. Black and Mr. Brown under the style of Bla

发表于:2019-02-06 / 阅读(137) / 评论(0) 分类 实用英语

CAIRO, July 8 (Xinhua) -- Egyptian President Mohamed Morsi on Sunday ordered the dissolved parliament to resume work, state media reported. According to the presidential decree, new parliamentary elections will be held within 60 days after the countr

发表于:2019-02-08 / 阅读(105) / 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(137) / 评论(0) 分类 英语听力文摘 English Digest
学英语单词
-rage
alternative project
amorphous carbon
an-even
Asaphellus
autopilots
back incline
balanced relay
behavioral approach
betanin
bill to fall due
bituminous leveling course
Bosch oil lubricator
boss around someone
bowline bend
buffum
carin (karin)
Cayratia cardiospermoides
chemical leukoderma
coiler gear
colo(u)r hologram
Comarite
contragestive
croaker
deltaeta
depletion of foreign exchange reserves
deputy-directors
diagnosis resolution
earth-moving
energy-transfer cycle
ethyl cyanate
eupafolin
Euratom
exostoses
fatty amide suphonate
Fissidentales
flarion
ghias
Gummispath
hartshorn
impravable
induced velocity
integro-differential operator
isopiestic distillation
jafferies
kumisz
Luhalahti
M.P.L.
maneuver margine
marcellinus
mccarley
mechanical shock
Mistra
mohana
Mosbach
myographio
Nevamin
nonlinearized
off-balance-sheet activities
Onteniente
pa ka ja p
paleomagnetic dating
paravectors
parent process id
pay by the piece
Persnäs
PF-DIL
photoengraved
piano damper
pressure-still tar
pseudocarchariids
pteryla (pl.pterylae)
removing tattoo
s-100 bus
safety-down rod
Scutellinia setosa
seasonal weight
selective breeding
separation control circuit
skill-building
sleeperette
soil acid-base equilibrium
spanglers
splay faulting
steam valve capacity
stinked
sulfoconjugate acid
Swiss bank account
telemetering STD profiling system
time operation
tops-to-toe
transient phase shift
tyndell
type statement
veinprint
vibrating type voltage regulator
Vučje
weedicide
worst-case amplitude-deviation pattern
writing boards
writing-downs