土壤水带

Additional relief supplies are being sent in to areas hit by Saturday's earthquake in Sichuan. Authorities in Shanghai have been sending in raincoats, flashlights and batteries. Other relief supplies from other parts of China are also finding their w

发表于:2018-12-02 / 阅读(53) / 评论(0) 分类 2013年NPR美国国家公共电台1月

AS IT IS 2015-08-03 Sri Lanka to Use Wasted Rainwater for Crops, Power 斯里兰卡建新水资源管理系统用于农业灌溉 Sri Lanka plans to store and use a billion cubic meters of rainwater each year to support irrigation and power generation

发表于:2018-12-16 / 阅读(35) / 评论(0) 分类 2015年VOA慢速英语(八)月

LIFE IN THE OCEAN The earths oceans can reach depths of up to 11,000 metres.That is deep enough to cover Mt Qomolangma! The oceans are incredibly large and contain several different habitats.To make it easier to describe the various parts of the

发表于:2019-01-09 / 阅读(174) / 评论(0) 分类 高中英语听力人教版第二册

To make sure Kepler's truely found a planet, scientists are using one of the largest earth-based telescopes for conformation. This telescope will also determine the planet's mass and distance from its star. Scientists are most interested in the small

发表于:2019-01-22 / 阅读(36) / 评论(0) 分类 自然百科2010年

ARI SHAPIRO, HOST: Summer on the Chesapeake Bay is in full swing. (SOUNDBITE OF BOAT ENGINE IGNITION) SHAPIRO: We're in Maryland. We came here to find out what decades of work and hundreds of millions of dollars have done to clean up this body of wat

发表于:2019-02-13 / 阅读(44) / 评论(0) 分类 2017年NPR美国国家公共电台7月

The Habitable Zone 宇宙生命奥秘 适居带(HZ)是天文学上给一种空间的名称,指的是那里的情况有利于生物的存在,或许可以发现像地球这样的生命体。有两种区域是有可能的,一个是在行星系内,

发表于:2019-02-24 / 阅读(155) / 评论(0) 分类 英语听力文摘 English Digest
学英语单词
2 out of 3 system
AfterStep
Aguja, Pta.
aleses
andersonville
Angelman's syndrome
apacizin
apple brandies
aquafreshes
associated quantum number
background irradiation
Bambafouga
bank rate of discount
beach flea
brassica oleracea botrytiss
butter stool
calendrer
chiromantical
cholesteric-nematic phase transition
cohortative
cracking furnace
cupressus macrocarpas
cutting effect of slag
element of analytic function
emerged wedge volume
eruditenesses
financial-industry
finely-cut
five-grain
floracarus
grate bearer
hazani
hemobartonella ranarum
Hereditary oedema
hexamethylaurine
holidayer
houghs
hydrogen fluorides
information era
Insurance Contract Act
intechnicality
joram
knight of the pad
law of independent migration of ions
leapfrog procedure
lithium borosilicate
local coefficient of heat transfer
lower one's elbows
marble slab
misdelivery
model motor
navigation pod control computer
neobornyral
network control signaling unit
nucleus of phrenic nerve
off resistance
open invoice
paleofluid
phi correlations
plicae synovialis patellaris
postnormalize
pre-theatre
preheating allowance
pressure ga(u)ge lamp
production cartel
progressive forming
propeller pitch angle
pulse-delay time
quality point average
rate of crystal growth
repently
rhagadia mucosa
rnoes
salvio
saxony-anhalt
second level statement
semiclosed furnace
silt-trap
sleeman
St-Galmier
stimulating factor (gm-cfs)
stranger
Sumedine
take a sight of
takeoff (to)
tellins
Tendou
textbooky
the senior branch of a family
thizz
thurstons
to cant
top crossing
transfer skid
tri-amping
ulcerative scrofuloderm
ultra-lattice
universal saybolt viscosity meter
unsuborned
upright style of letters
web-wrap contract
zappacosta's test