态废物除盐器

South Africa Uses Biogas to Turn Waste into Power 南非利用排泄物转换成沼气燃料 JOHANNESBURG Like many countries, South Africa is struggling to meet its energy needs. But instead of developing new technologies, the nation is trying a dif

发表于:2018-12-08 / 阅读(36) / 评论(0) 分类 VOA常速英语2013年(十月)

The Fernald wilderness preserve today, 21 years after the nuclear weapons plant closed for good. The Fernald Preserve in Ohio is home to deer, turkeys, muskrat and many other creatures, including 200 species of birds. However, not too long ago, the s

发表于:2019-01-13 / 阅读(48) / 评论(0) 分类 VOA标准英语2010年(六)月

Water pollution 水污染 A: Is the lake very polluted? A.这个湖污染严重吗? B: Well, I wouldn't swim in it- but the water is much cleaner than it was a few years ago. B:哦,我没法在里面游泳,但是比前几年清洁多了。 A: A

发表于:2019-01-14 / 阅读(40) / 评论(0) 分类 职业技术英语口语

DON GONYEA, HOST: Port-au-Prince, Haiti is a city of more than 3 million people with no sewer system. International donors have spent millions of dollars on infrastructure meant to help the situation. But a multi-year plan to build sewage treatment p

发表于:2019-01-16 / 阅读(61) / 评论(0) 分类 2017年NPR美国国家公共电台7月

Britain's first bus powered by human waste has taken to the streets. 近日,英国首辆靠人类粪便供能的新型环保巴士正式上路。 The 40-seater 'Bio-Bus' is fuelled by biomethane gas, generated by the treatment of sewage and food wa

发表于:2019-02-03 / 阅读(38) / 评论(0) 分类 英语新闻

Fertilizers from lawns, oil from cars, pet waste and runoff from building sites move quickly over paved surfaces into storm drains - and eventually, into the Bay. Rosanne Skirble | Washington, D.C. 30 November 2009 Watch: Skirble report Windows Media

发表于:2019-02-05 / 阅读(37) / 评论(0) 分类 VOA标准英语2009年(十二月)
学英语单词
absolute condenser pressure
acara
active tramp
adductor mandibulae
alpha-gamma phase
apple flake
arborolatries
assizor
autoinfects
avoy
ballyshannons
big - ticket items
block stone
bottletrees
Cartilago arytenoidea
Castanopsis tribuloides
charet
chromatophile
chromos
Conflict Grp.
conical point
consecutive stability constant
cordylosomides tuberifer
cryolite bath
Cumuruxatiba
curgenven
cyclic order
delmore
Di-On
distribution of halocline intensity
entering to the register
equivalent flocculation
Estagel
Farφ
fibre loss
figurski
filler cap
flying brick
footshocks
friction disk
give down
grave dancing
harmonic boundary
iatron
instantaneoussound particle velocity
interest due
join in
lagatutta
lube oil outlet pipe
monogenetic peneplain
morrisonensis
mountain-climbings
movable-frame hive
naths
native app
Nayāpāra
oberlands
olsterholm
one's ears perk up
opaque sky cover
overcommitment
patrilineal sibs
Paulding County
peter-man
plant nucleic acid
plumbous subacetate
polar signal
power cut-over relay
pre-earthquake
pressure cup
prosodic analysis
punctum proximum
railyet
rekeyed
residuary estates
rupel
salivos
samplingtube
seawater damaged
self-quotation
sesquihybrid
ship's business
sow the wind and reap the whirlwind
SPL (sound pressure level)
spreeing
squamifera
starch kernel
statums
subfertilities
table type low and medium speed centrifuge
Tarim Basin
Tibitol
tripterine
try the acid on
turnixes
twelve-fifteen
unique working space
uromantical
venus hair stone
vithi nataka(m) (s. india)
year temperature difference