[医]异质核糖核酸

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

The Fate of the Euro 欧元的命运 For the last three years, the Euro has been one of the strongest currencies in the world, in part, because of the belief that the underlying political structure of

发表于:2018-12-08 / 阅读(41) / 评论(0) 分类 VOA2005(下)--全球经济要闻

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)

In the course of a long life Cavendish made a string of signal discoveriesamong much else he was the first person to isolate hydrogen and the first to combine hydrogen and oxygen to form waterbut almost nothing he did was entirely divorced from stran

发表于:2019-01-29 / 阅读(46) / 评论(0) 分类 万物简史

My editor at Geographic 我地理学的编辑 wanted me to find America's Blue Zone. 想让我找个美国的蓝区。 And for a while we looked on the prairies of Minnesota, 一时间我们观察了明尼苏达草原, where actually there is a ver

发表于:2019-02-14 / 阅读(63) / 评论(0) 分类 TED演讲科学篇
学英语单词
(a)etiohemin
annual sale volume
azelatin
balsam families
basosquamous
Berkeley Springs
Bolmen
bonhoeffers
Bowman's membranes
broad band circulator
Calcibind
capacitance bushing
cation acid
choirmistress
chorioidea allantois
ciferri
cold end
commercial speed
complete spare parts
correctable
critical level of atmospheric escape
davurica
decision support
distribution center
dites
drupetum
dry-sand mould
emission of light
emona
exception proves the rule
foot lining
foreign currency holding
fossae subscapularis
gaeldoms
Goodpasture's stain
hancoxes
helper phage
high-frequency
histerids
hold forth
homeotypic division
improper packing
inadmissiblity
indexed sequential access disk
Indosinian stage
intervaled scale
jactitate
jean chauvins
kiro
latke
leporiphobia
lifetakers
lithotony
metric weight units
microturbines
mille lacs l.
mushroom salad
myoparalysis
Mān Na
natural agriculture
neoblasts
nival regime
Nivaldipine
orange-chipotle
Oriniemi
osmium disulfide
paid sick leave
PercuSurge
permissive block signal
pipunculus (eudorylas) mutillatus
plastic method
posturizing
power factory
primary elevator
prostatisme
proton magnetometer
radiator antifreeze solution
rainon
recoil apparatus
resistance to moisture
rocketsalad
roof bolting with barand wire mesh
sandeel
sapac
self conveyor feed
serpentine verse
single-sideband noise
sodicanthophyllite
spermatic canal
steam expansion
sub-titleds
temperature coefficient compensation
test-fire
tidal prism
tie tamper car
transubstantial
user driven operation
visible items of trade
Wang's test
Westphalian
Zavodskoye