性废水

A group in San Francisco is honoring former President G.W. Bush by proposing to name a new wastewater treatment plant after him. We hope that this will catch on nationwide, said activist Bill Maher. Every state should have a wastewater treatment plan

发表于:2018-12-11 / 阅读(152) / 评论(0) 分类 365个英语简短小故事

This is Scientific American's 60 Second Science. I'm Steve Mirsky, got a minute? The Meridiana Planum region of Mars once had water that was really soft and highly acidic, conditions in incredibly hostile to any life forms that we know about. So any

发表于:2018-12-24 / 阅读(173) / 评论(0) 分类 Scientific American(二)月

This Scientific Americans podcast is sponsored by audible.com, the number-one online resource for best-selling audio books and more. And now audible.com is offering Scientific American listeners a free audio book of your choice. For details go to aud

发表于:2018-12-24 / 阅读(99) / 评论(0) 分类 Scientific American(十二)月

Hungry Lasagna So you made lasagna last night, and it was delicious. You saved the leftovers by wrapping aluminum foil over the top of the pan, and putting it in the fridge. When you get hungry today, you go to look for that lasagna, but it looks lik

发表于:2018-12-31 / 阅读(130) / 评论(0) 分类 英语听力文摘 English Digest

Fish raised in the more acidic seawater that would result from higher carbon dioxide levels forget to flee predators. More carbon dioxide emissions lead to more CO2 dissolving in the oceans, which turns the water acidic. Those sour seas slow the grow

发表于:2019-01-02 / 阅读(115) / 评论(0) 分类 60秒科学

Scientists Find Large Amounts of Precious Metals in Wastewater In recent months, stories about sewers getting clogged have made international headlines. For example, a so-called fatberg, a mass of grease and diapers, clogged London's sewers. A new st

发表于:2019-01-03 / 阅读(192) / 评论(0) 分类 2017年VOA慢速英语(十一)月

More carbon dioxide emissions lead to more CO2 dissolving in the oceans, which turns the water acidic. Those sour seas slow the growth of corals. And it turns out acidic seawater also makes clownfish and damselfish suicidally bold and reckless, accor

发表于:2019-01-08 / 阅读(136) / 评论(0) 分类 Scientific American(七)月

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Landfills produce methanewhich can be valuable as an energy source. But scientists haven't known why landfills make so much methane. The solid waste in

发表于:2019-01-08 / 阅读(206) / 评论(0) 分类 Scientific American(四)月

This is Scientific American 60 second Science, I am Sophie Bushwick, got a minute~ Theyre called hydogels: Jell-O-like materials made of networks of long-chain molecules in water. And theyre as flexible as living tissue. But hydrogels could not recov

发表于:2019-01-08 / 阅读(188) / 评论(0) 分类 Scientific American(三)月

Wastewater Key to Sustaining Life The world population is growing rapidly and is expected to reach 9 billion by 2050. While efforts are underway to ensure theres enough food, one scientist is warning there may not be enough water. Professor Stanley G

发表于:2019-01-13 / 阅读(140) / 评论(0) 分类 VOA标准英语2012年(八月)

如果你爱喝葡萄酒或经常遇到要喝葡萄酒的场合,学几句高大上的品酒英语尤其重要。 品葡萄酒本节课的重点词汇: 1) wine tasting 葡萄酒品酒会2) tasting flight 品酒序列3) Cabernet Sauvignon 赤霞珠4)

发表于:2019-01-22 / 阅读(146) / 评论(0) 分类 美国文化脱口秀

This week on Why Tell Me Why, we are finding out why the oceans are so salty. So the oceans are salty because the oceans have been around, lets say, for over five hundred million years. And over the course of time what we found out is that weve alway

发表于:2019-01-22 / 阅读(148) / 评论(0) 分类 自然百科2009年

Amygdala's Acidic Aspiration Answer A study in the journal Cell shows that the buildup of carbon dioxide when we stop breathing causes a pH change that signals proteins in the brain to force us to inhale. Karen Hopkin reports. Maybe its happened to y

发表于:2019-01-30 / 阅读(240) / 评论(0) 分类 60秒科学

By Claudia Blume Hong Kong 11 December 2007 The Asian Development Bank says that governments in the region need to improve the management of water resources to avoid a crisis in water security. Claudia Blume reports from VOA's Asia News Center in Hon

发表于:2019-02-05 / 阅读(137) / 评论(0) 分类 VOA常速英语2007年(十二月)

Don comes up with another entrepreneurial venture, but Yael straightens him out just in time. [Thunder] Y: What are you doing outside, Don? It's about to rain. D: I'm setting up bottles. Y: I can see that. But why? D: For my new business venture: bot

发表于:2019-03-06 / 阅读(218) / 评论(0) 分类 英语时差8,16

Acid Water Yal: What are you doing outside, Don? It's about to rain. Don: I'm setting out bottles. Y: I can see that. But why? D: For my new business venture. Bottled rainwater! Y: As in living plastic bottles out in the rain and then selling them as

发表于:2019-03-09 / 阅读(345) / 评论(0) 分类 英语听力文摘 English Digest
学英语单词
ACEIA
aminonitrozole
an tai wu
aponal
Aschheim
balance sheet-income statement ratios
baltaxe
Better buy than borrow.
BFPT
block signal machine
busbar protective devices
calm-smog
cam type brake
cardinal crura
chocolatey
conchabullosum
concurrences
dead square cut
delta certificate revocation list
determiner
dinickel
disorganized attachment
E-OTD
economical contact
effluent fluid
end-packed type piston pump
equidistant line
experimental sex seversal
faint-heartedly
fixed regular working capital
flat chequered head steel wire nail
Flaveria
Flos Imperatae
fluid-controlled valve
frutas
gazelle
gender theory
gingerade
HAPLOLEPIDIFORMES
heater transformator
hybrid control computer
hypermediated
hypersexually
ign-
ileosigmoidostomy
immunoreactive insulin
improvisations
joint effect
krypton-orange radiation
land corner
liquid level alarm
lith(o)-
macromitrium japonicum
masculonge
Mayari
meagreness
Medical Records
Mesidicaine
methenamine tetraiodide
methyl ethyl ketone
mineral insulated coil
mk
modals
Monforte del Cid
motor support stand
motrus
Mérida, Estado de
nazihs
NC (natural convection)
nonrecyclable
ogdo-pyramid
outside end of arbor
outtravels
Overreaction hypothesis
pinups
posttranslation
proboscidea louisianicas
puccinia polygonicaespitosii
recosting
recovery of color
regardless of the level of the productive forces
regular maximum ideal
retray
revenue boat
sheet-metal grinder
slow-decline
solids contact clarifier
spline ring gage
square sum of residuals
stabilizing installation
steam deaerator
teacher
toxoscelus yokoyamai
trace level
treatment of offenders
tri-active amylamine
trichopyrite (millerite)
troides aeacus formosanao (rothschild)
viewing
water starworts
wide band instrument
within one's reach