土壤腐殖质化学

[00:03.15]第五单元 复习 [00:06.30]Lesson 17 Read and act [00:09.87]第17课 阅读并表演 [00:13.45]During the break, [00:15.03]课间, [00:16.61]Li Lei happened to see Paul's mark on the report of a chemistry experiment. [00:19.94]李雷偶然

发表于:2018-12-01 / 阅读(100) / 评论(0) 分类 初中英语人教版初三

AGRICULTURE REPORT - February 5, 2002: Soil Conservation Methods By Gary Garriott 04 Feb 2002, 18:39 UTC This is the VOA Special English Agriculture Report. Soil conservation efforts protect soil from

发表于:2018-12-07 / 阅读(88) / 评论(0) 分类 农业与发展

By Gary Garriott Broadcast: July 29, 2003 This is Bill White with the VOA Special English Agriculture Report. Soil conservation efforts protect soil from wind and water that can blow or wash it away.

发表于:2018-12-07 / 阅读(98) / 评论(0) 分类 VOA2003(下)-农业与经济

This is the VOA Special English Technology Report. 这里是美国之音慢速英语科技报道。 Builders in developing countries are often not required to build strong buildings. So, when a disaster strikes, the damage is often widespread. 发展中

发表于:2018-12-07 / 阅读(75) / 评论(0) 分类 2011年VOA慢速英语(三)月

[00:21.89]lesson 1 [00:36.05]Have/has got =have/has [00:59.22]I have got a CD player, [01:03.97]but Jim hasn't got one. [01:10.92]Has Lucy got one? [01:22.99]I have a CD player, [01:31.66]but Jim hasn't/doesn't have one. [01:50.60]Does Lucy have a Cd

发表于:2018-12-10 / 阅读(118) / 评论(0) 分类 初中英语人教版初三

[00:03.89]Lesson 5 1 Dialogue [00:09.64]Mr Zhu is showing the students of Class 4 the chemistry lab. [00:16.30]Mr Zhu: Now,this is the chemistry lab. [00:20.45]Have you been in this lab before? All:No. [00:25.50]Mr Zhu: Ok,listen carefully,please. [0

发表于:2018-12-13 / 阅读(154) / 评论(0) 分类 高中英语人教版高一

发表于:2018-12-25 / 阅读(94) / 评论(0) 分类 洋话连篇

As It Is - Remember Your Chemistry Classes? An international team of researchers recently reported creation of a new element that is 40 percent heavier than lead. The researchers successfully developed what they are calling Element Number 117 at a la

发表于:2019-01-03 / 阅读(102) / 评论(0) 分类 2014年VOA慢速英语(八)月

Even the dirt on the ground is likely making climate change worse, a new study finds. Researchers have shown that warmer temperatures are heating the soil, which is causing microbes to become more active and release more of the soils carbon into the

发表于:2019-01-03 / 阅读(149) / 评论(0) 分类 2018年VOA慢速英语(八)月

Mars Rover to Begin Taking Soil Samples This Week Jessica Berman NASA engineers say the Mars rover will begin taking its first soil samples as soon as it departs the landing platform . Engineers say t

发表于:2019-01-04 / 阅读(113) / 评论(0) 分类 VOA2004(上)--各类新闻

Feed the Soil, Feed the Crops If African farmers are going to feed the continent, they may first want to feed the soil. Studies show farmland is often depleted of vital nutrients. But researchers say a combination of organic farming methods may help.

发表于:2019-01-13 / 阅读(119) / 评论(0) 分类 VOA标准英语2012年(九月)

Having the opportunity to take on a diverse range of classes such as economics and chemistry along with her music studies is the perfect combination for Diane. Marsha James | Washington DC 10 August 2010 Oberlin Conservatory of Music Student Diane Ly

发表于:2019-01-13 / 阅读(79) / 评论(0) 分类 VOA标准英语2010年(八)月

This years Nobel Prize in Chemistry is about the worlds smallest machines. G?ran Hansson, secretary general of the Royal Swedish Academy of Sciences, earlier this morning. The Royal Swedish Academy of Sciences has decided to award the 2016 Nobel Priz

发表于:2019-01-17 / 阅读(119) / 评论(0) 分类 2016年Scientific American(十)月

AGRICULTURE REPORT - Cover Crops Are Good for the Soil (and the Farmer) By Mario Ritter Broadcast: Tuesday, May 24, 2005 I'm Gwen Outen with the VOA Special English Agriculture Report. Cover crops are

发表于:2019-01-30 / 阅读(95) / 评论(0) 分类 农业与发展

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(151) / 评论(0) 分类 农业与发展

By Tom Rivers London 07 October 2009 Ada Yonath (file photo) Two Americans and one Israeli share this year's Nobel Prize in Chemistry for their work showing how the DNA code is translated into life itself. Americans Venkatraman Ramakrishnan and Thom

发表于:2019-02-03 / 阅读(81) / 评论(0) 分类 VOA标准英语2009年(十月)

By Kevin Billinghurst Stockholm 10 October 2007 The 2007 Nobel Prize for Chemistry has been awarded to Gerhard Ertl of the Max Planck Society in Berlin. Kevin Billinghurst has the story from Stockholm. The Royal Swedish Academy of Sciences honors Pr

发表于:2019-02-04 / 阅读(89) / 评论(0) 分类 2007年VOA常速英语(十月)

A Japanese and a pair of American scientists captured this year's Nobel chemistry prize for discovering a glowing green protein in jellyfish that can be used to spot the beginning of diseases like cancer. Lisa Bryant has more on the prestigious awar

发表于:2019-02-06 / 阅读(76) / 评论(0) 分类 VOA标准英语2008年(十月)

Soil、earth、ground和land都可以表示地面,但这四个词的用法有很大的区别。一起来看看吧! soil意为:泥土、土壤,尤指生长植物的土地。或国家、国土。 The trees have rooted in the rich soil. 树木在肥

发表于:2019-02-18 / 阅读(108) / 评论(0) 分类 英文语法词汇

time will not stand still today is the day, the day of salvation living for more than just synthetic force fed existence this is my disposition I will strive for the truth time will not stand still today is the day, the day of salvation living for mo

发表于:2019-03-02 / 阅读(109) / 评论(0) 分类 英文摇滚歌曲
学英语单词
accumulation of oil
adenocystoma
administration pattern anchor
air alert warning
anal ring setae
ant nest
as nimble as a squirrel
asymmetric circuit element
averous
BAEd
beet-drill
benghalensis
biased sampling
blaze a trail
bromo-benzoyl chloride
cable tramways
cancellandum
conquistar
constraining condition
criminal in custody
dacryohemorrhysis
Dalbergia hupeana Hance
Dayang
EDRM
embastardizing
emergence and growth
Euler's method of elimination
face
Faugh-a-Ballagh
fecula
fishburne
FORTRPS
freight free
Friends of God
full on
functional motor paralysis
FYI,f.y.i.
gedney
gripe iron
Hagachi-zaki
have a fear that
herfindahl-hirschman index (hhi)
Highlands County
hyaloidin
hydrops tubae
immunokinetics
Klez
kwark
La Ha
limonia (nealexandriaria) atayal
line-freqency blanking pulse
make a monkey out of sb
Mannin L.
monotrematas
movable frame
nadeco
newly-discovered evidence
numerical codification
oleo
over-thecounter
overoptimizing
plasmacyte
plastic logic
polygalacturonic acid
portioners
present coordinate
propelling power
pull a train
Péruwelz
queer politics
re-issuing
red b/l
remote-controlled mine
rivet tong
rotation of axes
San Juan Hot Springs
save-
scolopocryptops curtus
ship broadcast coastal radio station
silent camera
soft-sectoring
soil shear
specification display
steam-raising
sulfamide
supply logistics
swelltoads
tex
Thalictrum omeiense
thermometer for fresh water inlet
time of flight (tof)
Toplica
tripartism
trisamine, trisamino
trivial formula
undoubtous
V-type roller conveyor
watertight cable gland
well-heateds
well-looked
wrong colour pick