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Every cloud has a silver lining, says the optimist. It follows naturally, then, that the pessimist must favor looking for the rusty lining. Just as the optimist can always find reasons for hoping that bad situations can improve, so the best pessimis

发表于:2018-12-07 / 阅读(55) / 评论(0) 分类 英语散文阅读

Fungi with previous experience in bioremediation show promise for breaking down BPA, an endocrine disruptor, and plastics that contain them. Cynthia Graber reports 【英文文本】 Bisphenol A. Also called BPA, it's used to make shatter-proof plast

发表于:2019-01-02 / 阅读(44) / 评论(0) 分类 60秒科学

This is Scientific American's 60-Second Science. I'm Cynthia Graber. Thisll just take a minute. Bisphenol A. Also called BPA, it's used to make shatter-proof plastic known as polycarbonate, found in everything from water bottles to medical devices to

发表于:2019-01-08 / 阅读(55) / 评论(0) 分类 Scientific American(五)月

Beyond Plastic Bans: Creating Products To Replace It LULU GARCIA-NAVARRO, HOST: Plastic pollution is a big problem. And there are a growing number of campaigns to ban plastic waste. That's putting pressure on companies not just over straws but all ki

发表于:2019-01-17 / 阅读(38) / 评论(0) 分类 2018年NPR美国国家公共电台11月

Delicate things are not necessarily useful, although it takes a lot of time and money to make them. A perfect example is mooncake packaging. Apart from a small number of boxes that are saved by people who collect such things, most of the packages are

发表于:2019-01-19 / 阅读(22) / 评论(0) 分类 世界各地新闻集锦

Its amazing to think there wasnt any plastic one hundred years ago. Now its everywhere. Almost everything thats made has some plastic in it. Whoever invented it must be really rich. There are all kinds of plastic. Its pretty useful stuff. I once went

发表于:2019-01-21 / 阅读(45) / 评论(0) 分类 纯正英语一分钟
学英语单词
ablatio placentae
afferent synapse
affore
amegilla calceifera
amino quick dry baking paint
aqal
Asop.
beading roll
beamingly
body cheak chain eye
braid into
brain-drain
bratkovsky
Cette-Eygun
chinese-cinnamon
cholestadienone
chute-barrel spooler
contact activation
copper(ii) sulfocyanide
criminal abortion
cupola charge
decoder output value number
depressing agent
dhuudo (dudo)
distas
dry vacuum distillation
Eaves.
emergency application valve
false hellebore
favier
felonian
fifty-cent piece
financial constraints
firebaugh
fit to be tied
flavivirus japanese encephalitis
gas shells
genome-mutation
great-greatgrandfather
Greetland
hand punishment out
heptoic acid
idler solenoid
indulgement
inference of immediate
inquisitorially
intercrystalline porosity
Inverbervie
Lathus
Latvian monetary unit
lay field to field
lepra alphos
lexeme
line symmetric graph
low priced good
LPPR
mainprising
make themselves at home
media research
Melothria indica
meningorrhea
metasericite
mhic
microclimatically
miglustat
modulus of elasticity in direct stress
My.
negative center
non probability
offfield
outlay accounts
overanalysed
parallel register
per-second
platform derrick
pleiotypic program
porous brick
potentiometric stripping analysis
proanthostrobilus
processor bus
reflection space transit angle
robot machining system
Rollin, Mys
sand burrowing
screw impeller
Sotillo del Rincón
special contracts
statement of assets and liabilities
stawyll
steelcast
stonewallers
subensemble
system hardening
Taraxacum sinicum
tight standard
timelesslie
torque amplitude
trans-acting-factor
tremezzoes
Troia
trotta
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