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
Agache Willot
alixe
American star
at the back of one's mind
avidin-biotin-complex
bafile board
benja
black face wool
bolt and nut machine
bookbinder's cloth
both sides relieved and recessed wheel
brand differentiation
budgerigar, budgereegah, budg-erygah
buil
cage goniometer
Chilko L.
chromic sulfide
clathrate structure
cloaklet
complex utilization
concave vertical curve
corona-protective varnish
cosecs
cross laminate
cruse
Czapek's agar
danelaws
danielis
demosthene
disengaging of barge train
double Hooke's joint
drill collar number
drive selection
ejectees
electronic lens
energy carrier
enterohepatic circuIation
ereuth(r)ophobia
etains
facepainting
farm operator
Fearon
fleeting tetanus
forest opening
four-bit slice microprocessor
Fredenbeck
grain EMC data
gramarye,gramary
granny squares
guide in window
hardy har har
huto system
input/output channel selection
interchannel
interface elements
ketembillas
Lagrangian multipliers
major assembly
malapropism
meowier
nature of story
naval forward logistic site
neritina yoldi
Neutromone
nonterminating uninterruptible
omicra
Out of my sight!
Paso doble
peak regulation steam turbine
petersberg
petroleum-based
phase transformation of mineral
photogenic
plesiomorphism
preamble bit
procedure in production
proepisternum
pyrroxan
Racine L.
ratio of commodities' supply and demand
Rhododendron hookeri
rotary load
satellite measurement of mesoscale eddies
Savannah cats
scalding hot
screen sieve
slist
space command center
spasma
sprocket cutter
steel hook
subpetalid ambulacra
syllidian
tangential-velocity
thoracomyodynia
trachotomy
traditional Chinese physiology
transit migration
variational initialization
vitamin b12s
vomicae
wave clutter