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(218) / 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(185) / 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(132) / 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(130) / 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(151) / 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(146) / 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(149) / 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(147) / 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(133) / 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(132) / 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(146) / 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(132) / 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(119) / 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(136) / 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(157) / 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(129) / 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(139) / 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(146) / 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(172) / 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(192) / 评论(0) 分类 2007年VOA标准英语(八月)
学英语单词
accredit the negotiators
ACIA (asynchronous communication interface adapter)
amorphoscelids
awning stops
back row hopper
breast-plough
broadmead
btm
budgetary purism
bundle along fibre
buy at home rules for government purchases
chemistry of synthetic pigments
chlorosulfonic acid
compania
Conray-43
continuous contract
decertification
decimal-binary system
displacement model
endocrinology of calcium metabolism
ethoxyethyl acetate
exhaust regulator
filariases
front deck
general shear failure
goteborgs
greenfeed
heavy type combustible gas detector
hippiers
huay
i-motet
improvements other than buildings
interactive processing mode
lambda lifting
landing ship areas
Lastres, C.
lead seal
lindered
liquid penetrating test
load cycle test
logistic service
Lurgi
minor-league teams
mukhiya
non-delay fuse
non-polar dynamo
odontrogy
open end funds
opening position
optimum learning
overpronators
oxyopias
pavement life
Pedicularis habachanensis
pH-recorder
pilot protection
piston compression ring
plank built
point contact varactor
polling scheme
postbirth
power ballad
power variable
prudentialities
pumblechook
puster
raffia palm
reshuffler
roll cleaning
rules of valence summation
Salacia aurantiaca
sarrett
semidefiniteness
sex-chromosome theory
siditty
silicooxalic acid
single frequency signal generator
slender muscle (or gracilis muscle)
soap film gas flow calibration
social mediation
splogger
Stern's fermentation test
stop-the-war
support(er)
talks away
tangible investment
telegraphic toll
terrene
Thank God It's Friday
Torr
trade cycles
triple ejector rack
type 21 repeater
unexpelled
upsteaming
Vancouver Height
vane-type pump
vena hemizygoss
virescence
vitreous opacity
voluntary surrender act
Wiener filter