音标:[spɔ'ridiɔl] ;
小孢子, 原基子

A: What does it cost to ride this bus? B: The fare is $1.25. A: Have you been driving buses a long time? B: I haven't been driving for longonly for a few months. A: Do you like to drive the bus? B: Not in the least bit. A: I would have never dreamed

发表于:2018-11-30 / 阅读(236) / 评论(0) 分类 英语情景对话-日常生活

By Lisa Bryant Paris 31 January 2006 Lines are snaking out the door of the U.S. Consulate in Paris, as would-be French travelers to America wait to get newly required visas. The problem: the French go

发表于:2018-12-16 / 阅读(203) / 评论(0) 分类 2006年VOA标准英语(一月)

Ladybugs love to snack and feast on other pests, so people began importing in Asian species called hollyqueen ladybugs as natural pest control. But in their new environments the hollyqueens wiped out native ladybugs and they have their parasites to t

发表于:2018-12-24 / 阅读(139) / 评论(0) 分类 Scientific American(五)月

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(133) / 评论(0) 分类 探索与发现2012年

抗真菌药 咪康唑 Miconazole 达克宁, 拜尼罗(康松无极膏), 无霉, 霉可唑, 双氯苯咪唑, 霉康唑, 美康唑, 密康唑, 克霉灵Micotin, Daktar, Andergin, Monistat 益康唑 Eco

发表于:2019-01-03 / 阅读(155) / 评论(0) 分类 医务英语

硝咪唑类 甲硝唑 Metronidazole 甲硝羟乙唑, 灭滴灵, 咪唑呢达, 灭滴唑, 佳尔钠FLAGYL, Klion, Arilin 替硝唑 Tinidazole 服净, Fasigyn 氯霉素类 氯霉素 Chloramphenicol CHL

发表于:2019-01-03 / 阅读(150) / 评论(0) 分类 医务英语

They are constantly on the move. New-born calves have to be up and running the day they are born. But the vast herds do not travel alone. Wolves. Packs of them, eight to ten strong, shadow the migration. And they are hungry. Its the newly born calves

发表于:2019-01-23 / 阅读(155) / 评论(0) 分类 探索与发现2012年

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(152) / 评论(0) 分类 探索与发现2012年

Day 10. And the mother has let her cubs a mile from the den. Its time to put them to the test. Theyve grown enormously in confidence, but they dont have their mothers sense of urgency. At last it seems that they are ready for their journey. And they

发表于:2019-01-23 / 阅读(136) / 评论(0) 分类 探索与发现2012年

Midsummer on the tundra and the sun does not set. At these altitudes, the suns rays are glancing and not enough of their energy reaches the ground to enable trees to grow. Youll need to travel five hundred miles south from here before that is possibl

发表于:2019-01-23 / 阅读(133) / 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(149) / 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(138) / 评论(0) 分类 探索与发现2012年

The character of the forest changes as we descend, becoming ever darker and damper, favoring different kinds of animals and plants. Less than two percent of the sunlight reaches the floor. But even here there is extraordinary variety. In the Great Is

发表于:2019-01-23 / 阅读(125) / 评论(0) 分类 探索与发现2012年

The sun beating down on tropical waters powers the weather systems of the globe. Moisture evaporates from the warming ocean and rises to create great storms. The winds generated out at sea sweep inland across the continents. As they travel across the

发表于:2019-01-23 / 阅读(142) / 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(165) / 评论(0) 分类 探索与发现2012年

Their secret is teamwork. Impala are their favourite prey. They start to hunt and the pack splits up. An aerial viewpoint gives a new insight into their strategy. As the dogs approach their prey, they peel off to take up separate positions around the

发表于:2019-01-23 / 阅读(136) / 评论(0) 分类 探索与发现2012年

The dogs know their prey must come out or drown. Now its a waiting game. The rest of the pack are calling. Theyve made a kill in the forest and this is an invitation to join in the meal. The impala is in luck. A pack this size kills once a day and ev

发表于:2019-01-23 / 阅读(144) / 评论(0) 分类 探索与发现2012年

All across southern Africa, all animals are journeying for the same reason. Buffalo join the great track. Nowhere else on Earth are so many animals on the move for the same urgent purpose. They are all heading for the swamps of the Okavango, a vast i

发表于:2019-01-23 / 阅读(155) / 评论(0) 分类 探索与发现2012年

By Delia Robertson Johannesburg 13 March 2006 South African rail and port workers embarked on a one-day strike Monday to protest restructuring of the national transport corporation. Commuters in all m

发表于:2019-01-30 / 阅读(181) / 评论(0) 分类 2006年VOA标准英语(三月)

By Brian Padden Irbil, Iraq 17 August 2007 The death toll from a series of suicide attacks on Iraq's Yazidi sect on Tuesday continues to rise. Officials now estimate at least 400 people were killed and hundreds more wounded when four truck bombs expl

发表于:2019-02-03 / 阅读(197) / 评论(0) 分类 2007年VOA标准英语(八月)
学英语单词
abjugate
Abramis brama
Adam Bell
ageing gene
Aguadilla, Dist.de
amefias
amphipodiform
ask you to specify any application
athleticness
atmospheric particulate content
bandagings
Barylambdidae
be adequate to
Belgian retort process
belly muscles
Bikhūyeh
BNF extended
brown noser
bucintoroes
by ordinary mail
chargeoff
cloth printing
comagmatic assemblage
compostables
counteracts
Cousin Jacks
covered with
cutter pass
cyberconflicts
cytoplasmic polyhedrosis
Dungun, Sungai
embrittling
emulous
engineering design coordination
enterprise security
Ercps
exigeant
exposure rate meter
familial progressive spinal muscular atrophy
farmers-generral
floor limb
foreign share
free energy function
frontier science
gulfing
gurry oil
gurumin
hack lift
helper steam turbine
Highlandtown
huangho sediment
hyperphoric
impulsive impedance
incipience
incremental range
Indian literature
interrupt inhibit
karst cycle
l'exposition
landing point accuracy
Liability Insurance of Marine Oil Exploration Development
loreen
lower approach
lublin
Lukumburu
Maer I.
marine air/ground intelligence system (magis)
mayene
Memory Stick Duo PRO
metropolitanized
metties
music notation
myiatic
nonquinine
nuraghi
Pachner moves
paijamas
posterior teeth speech space
price volatility
prototyrant
quasidominance
rastsvetaevite
rb-maser frequency standard
relaxation behaviors
result of hydraulic test
Sagsay
San Mateo Bridge
selfextensible software package
sidereal hour angle of observer's meridian
soil erosion modulus
supress
syncretion
syntax editor
tooze
treble stave
true nucleolus
trutherism
unfear'd
unsmooths
vaporizable
westrum
wheel spats