音标:['raɪətɪn] ;
[医]根瘤菌生物素

在美国黄石国家公园,曾经栖息着土生土长的狼群,直到有一天,狩猎者将它们驱逐殆尽。然而到了 1995 年,(由于一个激进的管理项目)狼群开始重新回归,一些有趣的现象出现了:黄石国

发表于:2018-12-09 / 阅读(317) / 评论(0) 分类 TED公开课:生态谜云

J ack splashed into the blue sunlit sea. He sank tothe bottom and then bobbed back up. He coughed andpushed his hair out of his eyes. Annie was treading water nearby. Hey! she called. Hey! Jack sputtered. I was wrong! You were right! Annie said. Shes

发表于:2018-12-10 / 阅读(273) / 评论(0) 分类 汪培珽儿童英文分级书单《神奇树屋》

新编英语教程第五册unit03_2_beginning_of_the_end_for_antibiot

发表于:2018-12-11 / 阅读(232) / 评论(0) 分类 新编大学英语阅读部分

rhiannon rings like a bell thru the night and wouldn't you love to love her? she rules her life like a bird in flight and who will be her lover? all your life you've never seen a woman - taken by the wind would you stay if she promised you heaven? wi

发表于:2018-12-13 / 阅读(237) / 评论(0) 分类 好听的英文歌曲

rhiannon rings like a bell thru the night and wouldn't you love to love her? she rules her life like a bird in flight and who will be her lover? all your life you've never seen a woman - taken by the wind would you stay if she promised you heaven? wi

发表于:2018-12-13 / 阅读(228) / 评论(0) 分类 美国偶像 American Idol

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This'll just take a minute. The Patriot Act and the Bioterrorism Preparedness Act were passed in 2001 and 2002. These laws in part cover research on pathogens and toxins thought to

发表于:2019-01-08 / 阅读(249) / 评论(0) 分类 Scientific American(五)月

1. Federal agents expect to be at this Detroit-area horse farm for several weeks to search for clues to Jimmy Hoffa's disappearance. The former Teamsters leader vanished in 1975. 2. The general tap pe

发表于:2019-01-08 / 阅读(296) / 评论(0) 分类 美联社新闻一分钟2006

By Amberin Zaman Nicosia 27 January 2006 Turkish Cypriot community leader Mehmet Ali Talat says the European Union can and must play a major role in pushing for a settlement to re-unite the Greek and

发表于:2019-01-13 / 阅读(290) / 评论(0) 分类 2006年VOA标准英语(一月)

Somalia's '11 Brothers' Sing Refugee Rhythm and Blues A group of Somali friends who have fled their country have reassembled as a rhythm and blues and hip-hop band in South Africa. But even in their new country, where they are living as refugees, the

发表于:2019-01-13 / 阅读(272) / 评论(0) 分类 VOA标准英语2011年(七月)

经典歌曲-莱因石牛仔RHINESTONE COWBOY--GLEN i've been walking these streets so long singing the same old song i know every crack in these dirty sidewalks of broadway where hustle's the name of game and nice guys get washed away like the snow

发表于:2019-01-16 / 阅读(281) / 评论(0) 分类 经典英文歌曲

By Anjana Pasricha New Delhi 07 January 2007 Bangladeshi Riot Police baton charge as protestors throw bricks during a protest in Dhaka, Bangladesh, 7 Jan 2007 At least 50 people were injured when security forces clashed with protestors in Bangladesh

发表于:2019-01-31 / 阅读(254) / 评论(0) 分类 2007年VOA标准英语(一月)

By Joseph Mok Providence, Rhode Island 05 December 2006 watch Waterfire report Ablaze on the rivers from March to October each year, WaterFire Providence in the capital city of the northeastern state of Rhode Island is cited as the most popular work

发表于:2019-02-03 / 阅读(297) / 评论(0) 分类 2006年VOA标准英语(十二月)

By Kurt Achin Seoul 02 April 2008 South Korean officials have issued their first formal response to recent moves by North Korea, labeling some of the North's recent statements inappropriate. The exchange comes as high-level American and South Korean

发表于:2019-02-06 / 阅读(227) / 评论(0) 分类 VOA常速英语2008年(四月)

By Steve Herman Bangargh, India 09 October 2009 India, with its rich and long history, is full of mysteries. Perhaps none is as puzzling as what happened hundreds of years ago at a royal city in Rajasthan, now under excavation. Where is everyone? Bh

发表于:2019-02-20 / 阅读(331) / 评论(0) 分类 VOA标准英语2009年(十月)
学英语单词
acetbromanilide
adnation area
agaricaceous
allocate statement storage
Anfinsen
audio-gram
authentiquely
Banzare Bank
basic multi-programming system
bearing oil pump
Betapace
blue vitriod
Boldva
book test
bush poppy
buyukcekmece (buyuk chekmejeh)
cananga odorata hook. f. & thoms.
ceerigaabo (erigavo)
chlorazene
combined compressor
consistency check
corner-vane cascade
cox chart
dip in price
discontinuous freeboard deck
drivellingly
ethanol solution
excessive temperature differentials
face coloring
first-aid
flat faced pulley
flood by-pass
foot-straps
fountain-heads
frown down
gastral layer
genus pipturuss
get on well with
goalkickings
ham fat
heptyl sulfate
hereditariness
Hey Diddle
high frequency amplifier tube
Iron Duke
keeping still and in deep meditation
kirtz
kurumas
Labadieville
latent hyperthyrodidsm
leaving area
leuds
make a name for themselves
marking exhibit
mathematical construction
morpheridine
motar teeth
Mousseau
multiple unit knitting machine
naga (burma)
nothing to lose
oat cell
open circuit line
pancreas tissue
partial ownership
pileorhize
plane of surface
platform business model
polyvinyl insulated cable
prepaid insurance premiums account
pressure maintaining
private packet
process chart symbols
public transport system
reconstituted
recrudesced
reseller brand
roller-blinds
run aboard a ship
selective-addressing memory
shweliensis
sick into death
side strip
spin-decelerating moment
spinal elevator
St James
stem breaking disease
stris
sunservices
tagmemes
termagants
the painting
thermal type microphone
tokenism
tourist passenger
trabeculae of lymph node
turritis glabras
unhousedness
volume of earthwork
vortex inhibition
xyrichtys dea
yellow lead