土壤蔗糖酶

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(146) / 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(158) / 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(129) / 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(120) / 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(112) / 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(187) / 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(207) / 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(230) / 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(216) / 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(168) / 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(160) / 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(295) / 评论(0) 分类 高中英语人教版必修

Agriculture report - Project in DRC Aims to Increase Fertilizer Use This is the VOA Special English Agriculture report. North Kivu is a war-torn province that used to be called the breadbasket of the Congo. Now, some farmers are being trained to incr

发表于:2019-01-12 / 阅读(146) / 评论(0) 分类 2012年VOA慢速英语(八)月

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(184) / 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(175) / 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(124) / 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(157) / 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(217) / 评论(0) 分类 农业与发展

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(165) / 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(179) / 评论(0) 分类 英文摇滚歌曲
学英语单词
abysmal rock
aglomerate
al-fasher
altimir
Altman, Robert
Austis
bald tree
Betafluorene
bit space
bit-mapped images
Boechlensipollis
bone lengthening
brittlestars
capital foreign
carotid body reflex
center-channel
check plus minus
classification rates
co-location
co-variations
Coast Guard motorboat
code symmetry
Commeen
compound powder
continental Morse code
defect interaction
destefani
dispersing instrument
dominitz
exametron
feed count
fidelity criteria
finite elements
flame proof cable
flood synchronization
force component
free running fit
gloucester
herriots
high temperature distillation
hosting
housecat
Hydrophidae
impurity-band conduction theory
input scanner
insufficiently burnt
intermediate rail
invisible supply
iribarne
keydata
Khunzakh
kitul trees
kouchner
light welterweights
mastoplastia
meat material
microsporidiasis
monetisation
Moussoulens
multispectral remote sensing technology
munch out
neutral fix-point
NIIA
oireachtass
olderer
overhead power line
paint sth. in
parallel equalizer
particulate antigen
pikestaffs
polaried receptable
pseudometrizable topological space
resistance heated boiler
reswear
rheumatismal
rieselikonoscope
Rognac
roy chapman andrewss
rumbowling
sample mean
satellite orbital altitude
say when
sede
sneakingly
special current loading
suckanhock
sweet-water
test for intestinal absorption
tracking poll
trap street
triazepine
trinidad and tobago (trinidad)
two-valued function
U.S.West Coast
underperformer
ununhexiums
uproariness
Verey pistol
waterlike solvent
wheel away
whitelewe
world-style