土壤脲酶

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(91) / 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(105) / 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(78) / 评论(0) 分类 2011年VOA慢速英语(三)月

Prince Harry has arrived back in London after his Afganistan adventure This wasn't the day he expected or wanted to come back, but back he had to come and quickly. Along with 170 other soldiers flown back from Afghanistan. Prince Harry's return beca

发表于:2018-12-11 / 阅读(74) / 评论(0) 分类 万花筒2008年

[00:04.18]Lesson 13 1 Dialogue [00:09.85]Jane and Betty are going on separate holidays in a few days time. [00:16.09]Jane: Hello,Betty.When are you going off to Guangzhou? [00:21.37]Betty: Next Thursday evening. [00:24.42]How are you getting to the a

发表于:2018-12-13 / 阅读(126) / 评论(0) 分类 高中英语人教版高一

Unit 2 [00:03.08]Plant a Plant!My Grade One Tree My name is Anna. [00:11.65]When I was in Grade One,I got a little tree. [00:17.11]Everyone gets a little tree in Grade One. [00:22.07]It's a spruce tree.See?When I brought my tree home,it was very litt

发表于:2018-12-17 / 阅读(164) / 评论(0) 分类 北京仁爱英语八年级下

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(151) / 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(117) / 评论(0) 分类 VOA2004(上)--各类新闻

These hardworking houseplants can sweeten every breath you take . Put Your Plants to Work In the early 1980s, when NASA researchers were looking for ways to purify the air inside the space pods of the future , they didn ' t just look to engineer a pr

发表于:2019-01-08 / 阅读(100) / 评论(0) 分类 英语小短文

[00:05.49]Reading [00:08.36]A PIONEER FOR ALL PEOPLE [00:12.43]He wants everyone to call him a farmer,for that's how he regards himself. [00:19.28]Although he is one of China's most famous scientists, [00:24.45]Yuan Longping works the land to do his

发表于:2019-01-10 / 阅读(229) / 评论(0) 分类 高中英语人教版必修

Agriculture Report - Feed the Soil, Feed the Crops This is the VOA Special English Agriculture Report. Studies show farmland in Africa is often lacking in important nutrients. But researchers say a combination of farming methods may help. Since the w

发表于:2019-01-12 / 阅读(136) / 评论(0) 分类 2012年VOA慢速英语(九)月

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(121) / 评论(0) 分类 VOA标准英语2012年(九月)

U.N. Secretary-General Ban Ki-moon has again urged Burma's military government to release all political detainees after only a token number of political prisoners were freed during a general amnesty that began Saturday. The U.N. chief also says he i

发表于:2019-01-13 / 阅读(73) / 评论(0) 分类 VOA标准英语2009年(二月)

Pioneering Soil Researcher Wins Top Environment Prize Biologist Diana Wall went to the ends of the earth - the seemingly lifeless Antarctic desert - to study the life in soil. What soil life does for us, it provides us with many benefits that we don'

发表于:2019-01-14 / 阅读(64) / 评论(0) 分类 VOA标准英语2013年(四月)

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(99) / 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(157) / 评论(0) 分类 农业与发展

AGRICULTURE REPORT - Simple Ways to Protect Water Quality By Mario Ritter Broadcast: Tuesday, July 26, 2005 I'm Barbara Klein with the VOA Special English Agriculture Report. Afghans wash carrots in d

发表于:2019-01-30 / 阅读(90) / 评论(0) 分类 农业与发展

By Robert Berger Jerusalem 12 June 2008 Prospects appear to have improved for a Middle East ceasefire. As Robert Berger reports from VOA's Jerusalem bureau, truce efforts come amid political turmoil in Israel. An Israeli delegation is in Cairo to tr

发表于:2019-01-31 / 阅读(87) / 评论(0) 分类 VOA标准英语2008年(六月)

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(112) / 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(115) / 评论(0) 分类 英文摇滚歌曲
学英语单词
abandonment of husband
abnormal arch
albicans
alviero
anti-bonding electron
antiperistaltic anastomosis
bible-thumpers
block coeffienient
bolt-operated
bone-yard
boom stick
boring bar (rod)
bovver boy
bromobutane
cattle truck
cephalometer
certified check register
chip multiprocessing
close to market
coal tar light oil
Colchineos
complex adaptive system
contact-time test
corotated
Cyclobalanopsis sichourensis
DA, D.A
Damghan
darkest africa
diaminotoluene
do someone's head in
Dolman's butter
erinaceus europeaeuss
framing system
genus myrsines
high cycles fatigue
hot-metal car
huerters
IFIWS
increment of fines
individualities
input accountability vessel
Itimādpur
japanese bananas
lactylates
lagged dependent variable
look something up
lymer
magnesian product
Matalom
Mike boats
milefortlet
monothiocarbonic acid
motillin
nathaniel baileys
neesiella rupestris schiffn
Nipisso, L.
nitrogen accumulation in whole plants
nominal hygiene air requirement
nonslave
not far
obstruction lights
Ondangwa
parallel thirds
phage cross
pipet filler
piston valve steam engine
plasma-modulation
plate marking
playner
polygala luteas
priming oil
produce record
pseudo-concurrency
puba
pyin
recurrent backcross
reductive genioplasty
regression sum of squares
retrograde cystography
San Pedro de Buena Vista
savanna
scheide
secular movements of the earth's crust
skull muscles
socketed pipe
sternutators
subauroral latitude
tension-spring
the setting sun
thickness advection
timakata
troegerite (tr?gerite)
truantism
Turup
Umm Dam
underteaching
water-whistle sound
well-cress
wild animal conservation law
wireless telegraphies
You may save your pains .
zagorodniuk