富藻水

Broadcast: August 4, 2003 This is Bill White with the VOA Special English Development Report. Safe drinking water has always been rare and valuable. Throughout the world, drinking water has to be stor

发表于:2018-11-27 / 阅读(516) / 评论(0) 分类 VOA2003(下)-发展与科学

We have about thirty campers right now, Melanie explained as they moved through the cafeteria line. Benny had piled his plate high with spaghetti and meatballs and was reaching for a slice of Key lime pie. Most of them are kids, but we have a few adu

发表于:2018-12-31 / 阅读(39) / 评论(0) 分类 41 The Mystery of the Hidden B

DEVELOPMENT REPORT – January 7, 2002: Storing Drinking Water By Gary Garriott This is the VOA Special English Development Report. Safe drinking water has always been rare and valuable. Throughout th

发表于:2019-01-07 / 阅读(199) / 评论(0) 分类 农业与发展

Researchers Test Algae Biofuel in Hong Kong 研究人员在香港测试藻类生物燃料 Scientists in Hong Kong are testing the use of micro algae to clean water waste and produce fuel. 目前香港的科学家正在测试微海藻在净化废水和生

发表于:2019-01-14 / 阅读(39) / 评论(0) 分类 VOA标准英语2014年(三月)

MARY LOUISE KELLY, HOST: Summertime brings algae blooms to many parts of the country - those mats of bright green organisms that can blanket waterways. In places like Florida's Lake Okeechobee, the blooms hurt tourism. They kill fish. They threaten w

发表于:2019-01-17 / 阅读(39) / 评论(0) 分类 2018年NPR美国国家公共电台7月

Science and technology 科学技术 The Arctic 北极 Tequila sunset 龙舌兰日落 Global warming may make the northernmost ocean less productive, not more so 全球变暖可能降低最北部海域的活力,而不是使之更有生命力。 ON S

发表于:2019-02-18 / 阅读(26) / 评论(0) 分类 经济学人科技系列
学英语单词
0435
802.1q
abbreviated argument list
Agent Orange
ambipolar electric field
anhalamine
anti-staling agent
atretic body
barren solution
bewell
boron/epoxy composite
Brough Head
carriagebuilders
chapeaubras
chemical displacement model
chemical smoke
Chiaravalle Centrale
clinical perinatology
continuous discrete event hybrid system model
Corymborchis
cross magnetic field
current amplifier tube
dance at
dental bone restoration
direct computer output
double island arc
double scoop type excavator
drying air temperature control
E-3
eccentric stiffener
emivirine
freckle-faceds
gas decay tank
gauging tank
genus dactylopteruss
grass-earth
guitarfish
hagrider
handicrafts
handlebar
head table
hexagon nut wrench
hoisting power
hot surface treatment
hydrogene mineral
Hā'ena
inmutes
isopathic principle
Kāňchipura
lays eyes on
lepidometer
letheonize
Lordine
manacors
marine traffic engineering
mom and apple pie
new edition chart
newlen
Nicholds
nitrous oxide-oxygen anesthesia
nonorphan
nonsubmarine
nonsubstitution of invoice transfer
o-daiko
one hundred and twenty
photopolymerizer
phytoenergetics
piercing-sucking type
plunging cliff
previsor
proportional (elastic) limit
prototyping boards
pseudo-pictorial representation
purple scale
reciprocal account
restorative crop
Salix chekiangensis
sciades botelensis
sea lampreys
single-phase earth fault
Sioux City
sixsided
squashed
starting jaw
Stock test
superjumbos
sw.s
symons
Sǎcelu
tail control
tainter gate
thunder bays
trihexyl naphthalene
Tyap
unendingness
variable-inductance transducer
waveguide bolometer-coupler unit
wedgewise
wilkies
yibain
yielding and paying
Yodǒk