溶解性有机碳, 溶解有机碳

LAUREN FRAYER, HOST: When you hear the Spanish word quinceanera, you might think of poufy, pink dresses, big, boisterous family parties and a traditional rite of passage for 15-year-old Latina girls. A new HBO documentary series takes us inside the m

发表于:2018-12-02 / 阅读(107) / 评论(0) 分类 2018年NPR美国国家公共电台1月

Text Is it ever proper for a medical doctor to lie to his patient? Should he tell a patient he is dying? These questions seem simple enough, but it is not so simple to give a satisfactory answer to them. Now a new light is shed on them. TO LIE OR NOT

发表于:2018-12-04 / 阅读(177) / 评论(0) 分类 大学英语精读第四册

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(80) / 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(100) / 评论(0) 分类 VOA2003(下)-农业与经济

American Folk Legend Doc Watson Dies For more than five decades, Watson entertained audiences around the world with an eclectic repertoire that included elements of folk, blues, Country, bluegrass, rockabilly, and even jazz. A master of the contempor

发表于:2018-12-08 / 阅读(76) / 评论(0) 分类 VOA标准英语2012年(五月)

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(53) / 评论(0) 分类 天天商务口语

EXPLORATIONS - Doc Holliday and the Old West By Paul Thompson Broadcast: Wednesday, April 21, 2004 (THEME) VOICE ONE: This is Phoebe Zimmermann. John Henry Holliday. VOICE TWO: And this is Doug Johnso

发表于:2019-01-07 / 阅读(97) / 评论(0) 分类 Explorations

It seemed like a good ideabecause rivers and ponds in Bangladesh were contaminated with bacteria, Bangladeshis switched to wells. But soon after, in the early 80s, researchers realized those wells were harming Bangladeshis with a new poisonarsenic. T

发表于:2019-01-08 / 阅读(86) / 评论(0) 分类 Scientific American(十一)月

This is Scientific Americans 60-Second Science, Im Steve Mirsky. Got a minute? The 2010 Nobel Prize in Chemistry goes to the University of Delawares Richard Heck, Purdues Ei-ichi Negishi and Hokkaido Universitys Akira Suzuki for their work in develop

发表于:2019-01-08 / 阅读(102) / 评论(0) 分类 Scientific American(十)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(85) / 评论(0) 分类 英语每日一词

AGRICULTURE REPORT - Study Points to Risk in Common Method of Enriching Soil By Jerilyn Watson / Broadcast: Mon, 12 Nov 2007 16:00:00 UTC This is the VOA Special English Agriculture Report. For more than half a century, many farmers worldwide have a

发表于:2019-01-11 / 阅读(90) / 评论(0) 分类 VOA慢速英语2007年(十一)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(75) / 评论(0) 分类 阅读空间

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(62) / 评论(0) 分类 英语每日一词

AGRICULTURE REPORT - Food for Crops: How to Get the Most From Organic Fertilizer By Mario Ritter Broadcast: Tuesday, August 23, 2005 I'm Shep O'Neal with the VOA Special English Agriculture Report. Th

发表于:2019-01-30 / 阅读(116) / 评论(0) 分类 农业与发展

By David McAlary Washington 14 July 2006 Expedition 13 crewmember Jeff Williams, left , work on the Interface Umbilical Assembly, the failed component of the railcar system, with commander Steve Lindsey in the Destiny module of the ISS Astronauts ab

发表于:2019-02-03 / 阅读(139) / 评论(0) 分类 2006年VOA标准英语(七月)

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(103) / 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(81) / 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(59) / 评论(0) 分类 英语新闻

There was a recent study that did a survey of parents and coaches asking them what they thought about Tommy John surgery. 有了最近的一项研究做了一个调查的父母和教练询问了他们的想法汤米约翰手术。 Dr. Stan Conte, vic

发表于:2019-02-14 / 阅读(111) / 评论(0) 分类 2016年Scientific American(八)月

PORT-AU-PRINCE, Jan. 18 (Xinhua) -- Former Haitian President Jean Claude Baby Doc Duvalier, who returned from France to the country on Sunday, was detained on Tuesday, police said. Baby Doc, who was deposed in 1986 after popular uprisings, governed H

发表于:2019-02-18 / 阅读(188) / 评论(0) 分类 英语新闻
学英语单词
aerocartography
analog-digital converters
be enchanted
be in line
bestrew
Bhillunguna
bum-out life
Caelian
capitao mor
carrioles
chained storage of data
chequer work
Choiseul Sd.
ciproxifan
coking furnace
concret dam
contraried
contrivers
copsa mica
corypheus
counterpoint
CQM
cuck-shaws
cultivation and banking
cut me off
date last observation normal value
degree of tanning (D.T.)
direct distribution method
dole chaser
earth family element
eat away at
electric interlocking device
eml
ende
epidemic hemorrhagic fever virus
equal rights
exodontist
faith schools
fissurae postero-lateralis
fundamental theory of exponential smoothing
genus Euarctos
germanium
glomerulonephritis
grading cylinder
hahahas
identifiable target
inhibit sb from
intransigeance
jazz dancer
jimbas
jungled
Karantonin
labrofrontal lobes
laryngocele
lumboabdominal
malcontents
Muggletonians
mutual contact zone
natural cementation
nonreciprocal media
open path expression
other long-term liabilities-other
Paniza, Pto.
panty waist
peaky
physiological sensation
polar tracking
powder rooms
predicted values
prefiring cycle
radio-telescopes
rail without bolt hole
remedied
reserve for employer contributions-actuarial deficiency
revolving hammer
ripisartan
schedule of payment
secretory antibody
semi-indirect illumination
semiplausible
Shalaurova, Ostrov
sheet-reinforced ceramics
shell temperature
silent service
soap film technique
sound absorbtive
striated muscles
struma postbranchialis
sub-second response time
supercunts
tea-bag
technical provision
ten-spot
thrust wheel
topazes
traveled lane
typological
unsweetened condensed milk
vertical coordinate of the center of mass
vibration influence of microphone
wheedlingly
witche's broom