葡萄糖醛酸硫酸酯

Acid Rain 酸雨 Damage from acid rain is widespread - not just in eastern North America, but throughout Europe, Japan, China, and Southeast Asia. Is the rain that's falling on your umbrella acidic? A listener's question -- on today's Earth and Sky. J

发表于:2018-12-07 / 阅读(146) / 评论(0) 分类 (科普英语)Earth and Sky

How does acid deposition affect human health? We eat food, drink water, and breathe air that has come in contact with acid deposition. Canadian and U.S. studies indicate that there is a link between t

发表于:2019-01-02 / 阅读(180) / 评论(0) 分类 知性英语

By Birungi Machrine Kampala 26 November 2007 Attacks using acid are becoming more frequent in Uganda. Up to 2003, there were only 145 recorded attacks, but over the last three years, there have already been 87. Survivors often suffer from severe emot

发表于:2019-01-16 / 阅读(110) / 评论(0) 分类 VOA常速英语2007年(十一月)

Protamine sulfate is a drug that reverses the anticoagulant effects of liver compounds such as heparin. Protamine is extracted from the sperm of salmon and other species of fish, and then made into a protamine sulfate injection which is a necessary d

发表于:2019-01-19 / 阅读(66) / 评论(0) 分类 世界各地新闻集锦

We keep pumping carbon dioxide into the atmosphere and the earth keeps warming. Climate scientists have predicted that the consequences of unchecked warming could result in everything from catastrophic flooding to larger and more deadly hurricanes. S

发表于:2019-02-23 / 阅读(49) / 评论(0) 分类 英语时差8,16

First off, I'll mention that at the bottom of the sea there exist veins of zinc, iron, silver, and gold whose mining would quite certainly be feasible. 首先,我对您说,海底有锌、铁、银、金等矿藏,开发并不是不可能的事。

发表于:2019-02-25 / 阅读(119) / 评论(0) 分类 《海底两万里》中英双语有声读物
学英语单词
ABIOL
accumulate
alouattas
askin'
bi-moment
bique
campylocera hirsuta
capitular apodeme
carbon-fibre plastic composite
coal blasting
counter-ion adsorption
cryptocracy
daiblet
debromoaplysin
deths
diopside kersantite
diphenylamino
driving resistance
Eichhorst's corpuscles
electronic admittance
enterprises under the control of the central authorities
epidermabrasion
evolutionary stochastic process
fitted kitchen
flat four engine
fracture direction
front slagging cupola
ftame
genus of a quadric field
halophobe
harrowed
helbig
hello
herald patch
high-wing
indorm
inflammatory dysmenorrhea
inverse transformation kernel
ionization radiation
jarpn
jossey
Le Bleymard
limit of sector
long glass fiber
low speed high torque oil motor
macegriefs
match-boardings
measure preserving transformation
meung-sur-loire
mineful
ministri
molecular susceptibilities
multiperipheral collision model
neovarticaine
netrin
neutral terminal
noank
nomal fold
non industrial
order Monotremata
osborne-mendel rat
over-pricing
overpowerer
pannett
permeability-surface
polyligated
quame
radium capsule
ratiometry
received heat
replenishingly
Rest.
reverse emission
rice-balking
rocio
rofled
rom coms
screeding
second-to-last
seedling nursery
sequential dependtent segment
sex party
signal transfer point
slant-bottom bin
sorbon
square net winch
suprapharyngeal skeleton
tangential spoke
taxidermied
thyroid depressor
Tracy City
trickling filter process
Tuwon(Duwon)
un-Irish
valley consumption
valvate anther
washing test
wave furrow
word-board
wronging
yossarian
Zaigrayevo