溶解有机碳

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(120) / 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(85) / 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(104) / 评论(0) 分类 VOA2003(下)-农业与经济

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(57) / 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(59) / 评论(0) 分类 跟着英剧练发音

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(90) / 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(107) / 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(90) / 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(97) / 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(84) / 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(103) / 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(68) / 评论(0) 分类 英语每日一词

AGRICULTURE REPORT - Compost: an Organic Way to Better Soil and Crops By Gary Garriott Broadcast: Tuesday, July 05, 2005 I'm Gwen Outen with the VOA Special English Agriculture Report. Many farmers im

发表于:2019-01-30 / 阅读(160) / 评论(0) 分类 农业与发展

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(122) / 评论(0) 分类 农业与发展

By Claudia Blume Hong Kong 13 February 2008 Malaysia's prime minister has set the stage for early elections by dissolving Parliament. The vote will likely be held before opposition leader Anwar Ibrahim is eligible to run for office. Claudia Blume rep

发表于:2019-01-31 / 阅读(71) / 评论(0) 分类 VOA常速英语2008年(二月)

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(112) / 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(87) / 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(65) / 评论(0) 分类 英语新闻

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:2019-02-18 / 阅读(56) / 评论(0) 分类 英语单词荟萃

台湾籍旅美老师今天交给我们的句子是: You have to produce saliva in order to taste anything, because food needs to be partially dissolved by saliva for our taste buds to register them. 你必须分泌唾液才能尝到味道,因为食

发表于:2019-02-22 / 阅读(73) / 评论(0) 分类 留美老师带你每日说英文
学英语单词
5-trifluoromethyl-2'-deoxyuridine
aft winch
air gouging
Alaid, Vulkan
alkynes
ambient vein
apexcardiogran
ashoverite
babbit-lined
balladur
billholder
bills of exchange
binary gas mixture vapour cycle
blobfishes
Brewer's spruce
Caballas
campbell's process
carveout
clone sheep
cocculus laurifolius
D-Norgestrel
decoyed
draymen
Duncan Pass.
duplicate production
ekman turning
electropneumatic transfer switch
end carbon
entrance in
entropic elasticity
extent in chief
extra long-range forecast
F-11
face-centered closest packing
fill someone's shoes
Fogust
gas precipitation flotation
gauffers
genus bertholletias
genus isuruss
genus Nepeta
glycocycline
God's quantity
grating nephoscope
hand coded compiler
heeling lever
inhomogeneous excitation
inner bracket
jubilee truck
Klamath Forest National Wildlife Refuge
Kurochikina, Mys
kurtids
loamy
man-child
millettia reticulata benth
momentum-range method
Munmoth
Nitraria sibirica
nodular fasciitis
non-english-speakings
nonmesic
optical invariant
parasitic microbe
pearlscale
pellet without binding agent
pericardio-kudoasis
perillyl
pharyngoconjunctival fever
pitter-pat
poly-dimensional
polyacrylamide gel
porphyrisation
postsynaptic element
profilogram
psychology of reading
pyrexia with delirium
quintic equation
r.w.d.
reactivity equation
Red Sox Nation
requirement language
rootless anticline
Santa Eleonora
scumbucket
semiconductor substrate
short-landing certificate
sound hood
spiritus citri
stirfry
stoneground
system programme
temporal seta
terpsichores
thermistor power meter
transploitation
unjudicially
vaccine-therapy
ventriculoatriostomy
websurfers
wideband NMR
woodshaving
wsb