呋喃烯唑

The penguins stay when all other creatures have fled because each guards a treasurea single egg rested on the top of its feet and kept warm beneath the downy bulge of its stomach. There is no food and no water for them. And they will not see the sun

发表于:2018-12-27 / 阅读(41) / 评论(0) 分类 探索与发现2012年

Azaz Residents Pick Up After Aerial Bombings The residents of Azaz clean up and mourn after Wednesday's deadly bombing by Syrian government warplanes. Azaz had been peaceful in recent months, although forces of the rebel Free Syrian Army have had to

发表于:2019-01-13 / 阅读(70) / 评论(0) 分类 VOA标准英语2012年(八月)

But they are hungry and eager to reach their mother whos delayed feeding them on this special day. Now she lures them with the promise of milk, the only food the cubs have known since they were born, deaf and blind beneath the snow some two months ag

发表于:2019-01-23 / 阅读(45) / 评论(0) 分类 探索与发现2012年

As we travel south, so the suns influence grows stronger. And at 50 degrees of latitude, a radical transformation begins. Summers here are long enough for broadleaf trees to replace conifers. Broadleaves are easier to eat and digest, so now animals c

发表于:2019-01-23 / 阅读(51) / 评论(0) 分类 探索与发现2012年

The advance of the seasons brings constant change. As the suns influence diminishes in the north, so the deciduous forests of America begin to shut down, losing their leaves in preparation for the dark, cold months ahead. One season hands over to ano

发表于:2019-01-23 / 阅读(37) / 评论(0) 分类 探索与发现2012年

Deer are frequent casulties of the harsh winter. And these leopards are not above scavenging from a corpse. African leopards could never survive here. But the Russian cats have thick fur to shied them from the cold. There are only 40 Amur leopards le

发表于:2019-01-23 / 阅读(60) / 评论(0) 分类 探索与发现2012年
学英语单词
absistences
absorbing boundary conditions
Acetygutamide
acylphosphate
antilysim
applied time series analysis
Ascoviridae
azygo-
bank of coils
basis of integers
baurii
bicyclo heptene
borage
buildt
buoyant instability
Bykovka
cacotheline
calcular
car companies
caraomer (negru voda)
carezza
causticizing agent
cereals
certificate for masters
claudins
co-prosperity sphere
counting yield
covered-wagon
Cyclosporae
Debye Scherrer mettod
decoct with water
decomposition preserving
degold
dilatation of uterine cervix
ding-head
dismountable antenna
doxcycline
endocrinologic
equivalent signed measures
European mountain-ash
European thimbleweed
filter-cake
flue crocidolite
furanzolidon
glazed ceramic wall tile
heparamine
Heubner's disease
high-rate grinding
hopedale
hot air drier blower
hyperpatriotism
Ibrahim, Mersa
ice ton
indicavits
inertial cross coupling control system
jib angle indicator
Larix decidua
Laspeyre's index
late-colonial
ligamenta transversalis colli
loid
Luceville
malefactions
manufacture of hard metals
masing
Master of Education
medical studies
menorrheas
model reference adaptive system
offset perfector
phiri
phraseless
precurrent
procedure map
radiospectrograph
rary-show
rating unit
record companies
relapses
selahattins
shorts
socialist state
socially connected
sodiumhydroxide
solwe
Spirillum rufum
sterculia luzonica warb.
stone-wallings
subreport
superaltars
take the gaff
tank agriculture
telephone frequency
thermocouple type anemometer
traditional methods
unconstrained mechanism
used fixed assets
vegetable soup
verecity
Veronica beccabunga
virtual terminal network