土壤孔隙率[多孔性]

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(153) / 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(164) / 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(137) / 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(127) / 评论(0) 分类 万花筒2008年

[00:00.00] Unit 6 Plants [00:04.60]A The chlidren are in a science lesson. [00:10.95]Look,listen and say. [00:15.31]1 We want to grow some tomatoes. [00:21.66]What does our plant need? [00:25.50]It needs a small pot of soil. [00:30.22]It needs a lot

发表于:2018-12-13 / 阅读(117) / 评论(0) 分类 新路径小学英语三年级上册(一起)

[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(197) / 评论(0) 分类 高中英语人教版高一

[00:04.99]Lesson 17 1 Dialogue [00:10.55]Mick is in the garden with his mother. [00:14.81]He has got lots of questions to ask. [00:19.17]Mick: What are you doing,Mum? [00:22.54]Mum: I'm sowing cabbages. [00:25.99]What's that in your hand? [00:29.26]C

发表于:2018-12-13 / 阅读(226) / 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(239) / 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(225) / 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(181) / 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(168) / 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(301) / 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(190) / 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(181) / 评论(0) 分类 VOA标准英语2012年(九月)

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(132) / 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(163) / 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(221) / 评论(0) 分类 农业与发展

Science and technology 科学技术 Prospecting for oil 石油勘探 Grains of truth 千虑一得之法 Putting rocks in medical scanners may help the search for oil and gas 采用医学扫描仪对岩石样本扫描,可帮助寻找石油和天然气

发表于:2019-02-16 / 阅读(156) / 评论(0) 分类 经济学人科技系列

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(171) / 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(185) / 评论(0) 分类 英文摇滚歌曲
学英语单词
a list of facts
adiabatic compressible flow
Ajania tibetica
Al Ubayyid
alidade protractor
Alphonsine
American white moth
Anhydrobiotite
antijackknife
Atreids
attention-alertness test
benzoylthoourea
bidding sheet
bureaucratic
by appearances
ceftins
ceiling insulation
charred
cutting of bars
decussion
demutation
dessa
DIVIC
elastic circular sandwich beam
Enyo
exclusive right to trademark
expend
false heat
furoquinolines
gas pickling
gas-filled switchgear
get some rest
grasstures
grossglockners
haddix
hamied
HCCPD
heating and ventilating system
heneicosan ic acid
hifi
higher-dimensional grammar
homing capability
homogeneous operator
Hólmar
indevotional
initial chaining value
knudson
letter of assignment
leucantha
liver retransplantation
logical combination
made herself known to
madrepore marble
Mastixia
metal tape core
midspreads
misfunction
N-acetylgalactosaminyltransferase
nonpreemptive priority
normal emission
out of luck
ovarectomy
piecing together
please oneself
prepulsid
presslers
price promotion
prima facies case of damage
pseudodiaptomus forbesi
Pseudostellaria Pax
pulse manifestation
pungent smell
pyrexial
pyrophosphorylation
ratcliff
re-seed
reel block
roble beech
roof boarding
sbir
screw in type punch shank
servicing weight
servomotor drive circuit
shaped plate
sodium orthoclase
spare bedroom
spontaneous-potential method
staff card index
stationwagons
stirrer (agitator)
stromal trophoblastic bud
tape-to-card converter
to poop
tobutts
torify
trimmer valve
two-dimensional flow pattern
unresealable
up-anchor
vegetation chart
voice breaks
Word doc