土胶质;土壤胶体

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(228) / 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(240) / 评论(0) 分类 北京仁爱英语八年级下

It's been protected from human impact since 1909. With three million acres, nearly a half million under water, Superior National Forest is largely unspoiled. But now the survival of this national treasure rest with those who would see some of it bur

发表于:2018-12-30 / 阅读(128) / 评论(0) 分类 国家地理2008年

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(183) / 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(170) / 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(302) / 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(191) / 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(183) / 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(134) / 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(164) / 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

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
(Ts)chernozem
acaulous
accretionary coast
agency for public education
ammonium acetate
ant bears
apodictism
apterygotas
bachelor degree
best quadratic unbiased predictor
bicruris
bluejacker
bretonne
car-chase
carbasus iodoformata
carefully-chosen
central shut-down rod
cererium
ch'in chiao ss?
chlorine log
coding network
Colaptes chrysoides
consul electi
cookie-sized
coryza caseosa
cunage
cystic fibromyxoma
cystolithic
data path
david cameron
deep level transient spectroscopy
di-syndiotactic polymer
doublenipples
dump cakes
earthworm cast
electric cut-off machine
Eritrocina
exex
fault trough
fish immunology
flat panel monitor
Focke
foxly
gas cutting machine with magnetic wheel
glider-borne
hemp bag
heredity carrier
high flush tank
hsuan
impact plate
intersectins
Isoda metal
kelvinbridges
Ketrysanivka
leftmost uncovered symbol
lses
manual read
manual-automatic change-over
Martin dual-boundary
master conntrast control
media check
melancias
metal glaze resistance
metal surface protection
monogonal
murnion
open cut-out
paleokarst
papaya families
Peisistratus
percarburets
physostol
Pisionidae
place of decimals
po (position)
point spectrum type
pregestation
Psiloschizosporis
purge control valve
redisburses
regional stock exchange
Roborowskia
rotor model
saprogeneous ooze
service action parts list(SAPL)
single-contact wire system
spatial distribution of population
Stor Bank
student transportation
subauroral
suplattices
TB1698
tempering tank
thall-
twin contrast
univariate probit model
university of rochester
USHE
Yearby
yodles
zankou