土壤分水分探针

Agriculture Report - Getting to the Root of How to Water Trees This is the VOA Special English Agriculture Report. Some trees can survive a long time without water. Think of trees that grow in the desert. But other trees may need more moisture than t

发表于:2018-12-07 / 阅读(81) / 评论(0) 分类 2011年VOA慢速英语(八)月

Some cacti, like the saguaro, grow to tree size, but true trees need more moisture than most desert environments can supply, so they are scarce on deserts. 一些仙人掌,如撒瓜罗,能长到橡树那么高。但真正的树却需要比大多数

发表于:2018-12-27 / 阅读(58) / 评论(0) 分类 英语听力小短文走遍全世界

For those of us lucky enough to always have enough food and water, it may be hard to imagine living through a drought. A drought occurs for a variety of reasons, usually including a lack of rainfall and warm temperatures.Soil moisture severely dwindl

发表于:2019-01-26 / 阅读(64) / 评论(0) 分类 英语听力文摘 English Digest

Drought For those of us lucky enough to always have enough food and water, it may be hard to imagine living through a drought . A drought occurs when for a variety of reasons, usually including a lack of rainfall and warm temperatures. Soil moisture

发表于:2019-02-16 / 阅读(32) / 评论(0) 分类 英语听力文摘 English Digest

BAIKONUR, Kazakhstan, Nov. 9 (Xinhua) -- Russia's Phobos-Grunt probe and China's Yinghuo-1 satellite were launched from the Baikonur cosmodrome in Kazakhstan on a Zenit-2SB rocket at 00:16 am Moscow time Wednesday (2016 GMT Tuesday). The main aim of

发表于:2019-02-18 / 阅读(54) / 评论(0) 分类 英语新闻

Plants in the Deserts Some cacti, like the saguaro, grow to tree size, but true trees need more moisture than most desert environments can supply, so they are scarce on deserts. Close to streambeds, cottonwoods can sometimes be found. Though these st

发表于:2019-02-25 / 阅读(46) / 评论(0) 分类 双语有声阅读
学英语单词
accounts of national income
actinocyclus appendiculatus
acute hemorrhagic conjunctivitis
Agrostis myriantha
Al Jibbayn
alkylsilane
ammonioferric
anarcho-syndicalists
ballpen
big muddy r.
brood gemma
bruit de choc
cam follower
carrier-plate
Centrogeniinae
chain-terminating codon
check post
Chondon
coanalyze
cough mixture
cover-flap
decorticate animal
dielectric parameter
dinner ballet
diovular
economic object
electronic batching scale
equidistant pulse
ethene series
expected number in the system
experimental schizophrenia
fingerparted
fluidized bed combustor
Fuhrer
gastroblennorrhea
harmonic balance
Haskul
height of dump beginning
home optical transceiver
Honāvar
hotdogging
Iftar
inverse proportion, inverse ratio
laris
laveau
light-sensitive imaging tube
lightning protection system
matinicus
mcase
melodise
mides
MILSTRIP
movableness
multiplex telegram
Munanga
nuclear endosperm
ocean thermal gradient
office copier
outswings
patch out
phyllosticta beltrami hori
preharvest
profit on paper
protein therapy
qibli
radiation biology
radio-sonic
reac
reassumed
respaded
reversible level
rice paddy herb
risk neutral
rotary retort
saccharimetery
Sarog
satepparent
sea water treatment
semiconductor-controlled rectifier
silkworm room
sobbed
software engineering environment
spike wave
spring antenna
static conformance requirements
styile
sub-zero gear oil
sympathia
tag board
terrero
tetra yushania
the contrast
TIG cutting
to snatch
trivalent radical
unboxable
upper branch of meridian
wheat producing countries
Windows Media Connect
within limits
wooden crib
yield ratio