肉寄生虫

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(217) / 评论(0) 分类 TED公开课:生态谜云

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(110) / 评论(0) 分类 新编大学英语阅读部分

This is Scientific Americans 60-Second Science. Im Karen Hopkin. This will just take a minute. In 2005 two scientists won a Nobel Prize for discovering that a bacterium called Helicobacter pylori causes most stomach ulcers. One of them even chugged a

发表于:2019-01-08 / 阅读(112) / 评论(0) 分类 Scientific American(七)月

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(130) / 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(192) / 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(180) / 评论(0) 分类 2006年VOA标准英语(一月)

US Very Concerned About Syrias Sarin Gas The conflict between rebels and the Syrian government is intensifying. Now U.S. officials say there is movement activity around Syrias chemical weapons sites. Experts say it is a dangerous sign that a war invo

发表于:2019-01-14 / 阅读(159) / 评论(0) 分类 VOA标准英语2012年(十二月)

Japan is remembering the lethal nerve gas attack on the Tokyo subway system by a religious cult 10 years ago Sunday. A decade after the incident, legal appeals drag on, and survivors say they are suffering with little outside support. 这个星期天日

发表于:2019-01-19 / 阅读(116) / 评论(0) 分类 VOA双语新闻 Bilingual News

Chinese President Xi Jinpinbg meets with Carrie Lam, Chief Executive-elect of the Hong Kong SAR, on April 11th, 2017 in Beijing. [Photo: gmw.cn] Carrie Lam, Chief Executive-elect of the Hong Kong Special Administrative Region (SAR), said that bolster

发表于:2019-01-19 / 阅读(158) / 评论(0) 分类 2017CRI中国国际广播电台

During the visit to the Macao SAR government headquarters, Premier Li Keqiang hailed the contributions the region has made since its return to the motherland 17 years ago, calling them praise-worthy. Under the leadership of Chief Executive Chui Sai O

发表于:2019-01-19 / 阅读(167) / 评论(0) 分类 2016CRI中国国际广播电台

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(134) / 评论(0) 分类 2007年VOA标准英语(一月)

电影制作人 Penelope Jagessar Chaffer对她在怀孕期间面临的化学制品很好奇。它们会不会影响她未出生的宝宝?她让科学家Tyrone Hayes简要介绍他研究很深的课题:阿特拉津,一种用于玉米上的除虫剂

发表于:2019-02-05 / 阅读(114) / 评论(0) 分类 TED公开课:环境 重造计划

Russias news network Zvezda is reporting that the countrys new intercontinental ballistic missile will be ready for field trials this summer. The RS-28 Sarmat, dubbed Satan 2 by NATO, has been widely reported to have a top speed of seven kilometers a

发表于:2019-02-18 / 阅读(146) / 评论(0) 分类 cctv9英语新闻2016年
学英语单词
alkaline serozem
anchor core
arteriae digitales dorsales
assay value
average inventory level
average inventory of items
Balontohe, Pulau
barylossia
bend signal
bronchus segmentalis apicalis
butterfly clam
caerulopasmin
camerounaise
Capela
Cassiope dendrotricha
cells of brain
chromoparic
Chunchi
close-boarded fencing
concealment system
Crotalus mitchellii
decade (counting) tube
diurnal thermal variation
double space
driffill
Erasmus, Desiderius
extravehicular activity (eva)
feminerds
free height of blade
gnaw on
group theories
Hüllhorst
in bad with sb.
incorporated pocketbook
intraplate volcanism
Kekule structures
lateral dump table
lisner
little darling
loasby
magnet flux
magnetographic
meroic
microfilmed
MINIAPS
mouse-drivens
multi-temporal
multilayer relations of production
natural dye
navpress
Neomyson
non-majoritarian
nonconjugative
nonsacramental
nuvistor triode
openouts
Orativ
out-door seasoning
oxyquinolinic acid
parricide
Peierls-Nabarro Stress
penil
phalacrocoracid
Phoenicians
plow back the profit
points of the compass
polybutester
portable moulding and routing machine
protetch
pulsed ultrashort wave diathermy apparatus
reavailing
recidence
red-heart
removing stencil
replough
restriction screw
rhomb spar (dolomite)
Riethoven
rock arm
Saunders' disease
science of processing Chinese materia medica
shriveling
skiddarian age
slurry exchanger
solid anchor
spial tubule
starrers
starting velocity
statistical sampling investigation method
step-recovery diode
sterilized pharmaceutics
Steudnera henryana
suprasegmental transcription
tortoiseshell butterfly
trigens
vertical form control
voice operating control
Waxgourd
worm dirt
wrapper method
You can talk.