音标:[baiˈɔtik kəˈmju:niti] ;
生物群落
词型变化:名词复数形式 : biotic communities
【近义词】

【今日基础词】Community 【Transcript】 A: Would you like to join the VolunteersLeague? B: Do you think Im crazy? I just quit the Student Council. I dont want to be so busy. I gave up a good chance of getting scholarships for that。 A: Joini

发表于:2018-12-05 / 阅读(121) / 评论(0) 分类 听基础单词练听力

Last month, a student at Ohio State University ran into people with a car and stabbed them with a knife. The victims survived, but police shot and killed the attacker, Abdul Razak Ali Artan, at the place the incident happened. Since then, members of

发表于:2018-12-08 / 阅读(224) / 评论(0) 分类 2016年VOA慢速英语(十二)月

By Carol Pearson Washington 28 February 2007 watch Antibiotic Resistance report Penicillin and Erythromycin are examples of antibiotics that used to be one-time miracle cures. These drugs and other antibiotics are now less effective because bacteria

发表于:2018-12-16 / 阅读(145) / 评论(0) 分类 2007年VOA标准英语(二月)

STEVE INSKEEP, HOST: This year Americans will spend more than $2 billion on probiotics, supplements aimed at boosting what are called good bacteria inside us. One part of the market that's growing rapidly is probiotics for babies and kids. Here's NPR

发表于:2018-12-17 / 阅读(121) / 评论(0) 分类 2018年NPR美国国家公共电台5月

Voice 1 Welcome to Spotlight. Im Liz Waid. Voice 2 And Im Rena Dam. Spotlight uses a special English method of broadcasting. It is easier for people to understand - no matter where in the world they live. Voice 3 I am encouraged by what people do in

发表于:2018-12-19 / 阅读(137) / 评论(0) 分类 环球英语 Spotlight

Rainforests exist because it rains a lot and that makes the forests grow, right? Well, not so fast. What if its not the rain that makes the forestswhat if its the forests that actually generate the rain? Thats the contention of a paper in BioScience

发表于:2019-01-02 / 阅读(192) / 评论(0) 分类 60秒科学

Life was not easy when Emma Seguy first arrived in Mesa, Arizona. The 20-year-old was born in Paris, France. But when she was 16, she decided she wanted to be more independent and to try something new. So, Seguy asked her parents if she could complet

发表于:2019-01-03 / 阅读(170) / 评论(0) 分类 2018年VOA慢速英语(六)月

Rainforests exist because it rains a lot and that makes forests grow, right? Well, not so fast. What if its not the rain that makes the forests? What if its the forests that actually generate the rain? That is the contention of a paper in BioScience

发表于:2019-01-08 / 阅读(152) / 评论(0) 分类 Scientific American(五)月

Rome's Chinese Community Mourns Deaths The Chinese community in Italy wants justice and more security. The brutal killing, last week, of Zhou Zeng and his baby, Joy, was too much even for people who are used to keeping to themselves and not complaini

发表于:2019-01-13 / 阅读(142) / 评论(0) 分类 VOA标准英语2012年(一月)

In a Valentine's Day with a difference, residents of the Klong Toey slum near Bangkok's port have come to the aid of the children of Haiti. Volunteers and children from the Duang Prateep Foundation, which works with the community, on Sunday walked th

发表于:2019-01-13 / 阅读(130) / 评论(0) 分类 VOA标准英语2010年(二月)

A new study shows community health workers can effectively and safely treat malaria and pneumonia with just a little bit of extra training. In many rural areas throughout sub-Saharan Africa, an important primary medical resource is the network of vol

发表于:2019-01-14 / 阅读(146) / 评论(0) 分类 VOA标准英语2010年(九)月

ROBERT SIEGEL, HOST: Now some good news, especially for babies around the world. Scientists in the U.S. and India have found an inexpensive treatment for a common infection. It could save hundreds of thousands of newborns each year. The treatment com

发表于:2019-01-16 / 阅读(168) / 评论(0) 分类 2017年NPR美国国家公共电台8月

RACHEL MARTIN, HOST: Go online, walk through any health store or supermarket, and you'll find all kinds of products being sold as probiotics. They're being promoted for all kinds of things - preventing upset stomachs, boosting the immune system, figh

发表于:2019-01-16 / 阅读(136) / 评论(0) 分类 2017年NPR美国国家公共电台12月

> 38 信息和通讯技术的发展使人们广泛运用互联网成为可能 DATE=4-23-01 TITLE=DEVELOPMENT REPORT - Community Broadcast Radio BYLINE=Gary Garriott (Start at 59

发表于:2019-01-30 / 阅读(536) / 评论(0) 分类 科技之光

A woman prays during a memorial service for Polish President Lech Kaczynski and his wife at Holy Trinity Polish Church in Chicago on Sunday, 11 Apr 11 2010. Chicago is home to the largest Polish community outside of Warsaw. Poles in that Midwestern c

发表于:2019-02-03 / 阅读(157) / 评论(0) 分类 VOA标准英语2010年(四)月

Probiotic yoghurt drinks and supplements dont live up to their promises, according to an EU watchdog. They claim to boost your immune system and help digestion. It concluded there is no scientific proof that products such as Yakult have any health be

发表于:2019-02-04 / 阅读(135) / 评论(0) 分类 阅读空间

China to raise proportion of community-level deputies to people's congresses BEIJING, Nov. 8 (Xinhua) -- China will increase the proportion of community-level deputies to the people's congresses, and reduce the number of deputies elected from among l

发表于:2019-02-08 / 阅读(142) / 评论(0) 分类 英语新闻

BEIJING, March 11 (Xinhua) -- A Foreign Ministry spokeswoman on Monday said China would like to work with other countries to curb cyber attacks. The Chinese government resolutely opposes and has cracked down on hacking in accordance with the law and

发表于:2019-02-08 / 阅读(125) / 评论(0) 分类 英语新闻

Haitian immigrant communities around the United States have been mobilizing help for victims of the earthquake, which brought destruction to the island nation Tuesday. The Haitian community there has seen an outpouring of money and support. Major cha

发表于:2019-02-12 / 阅读(212) / 评论(0) 分类 VOA标准英语2010年(一月)

Voice 1 Hello. Im Marina Santee. Voice 2 And Im Rachel Hobson. Welcome to Spotlight. This programme uses a special English method of broadcasting. It is easier for people to understand, no matter where in the world they live. Voice 1 It is late in th

发表于:2019-02-21 / 阅读(212) / 评论(0) 分类 环球英语 Spotlight
学英语单词
acornlike
advertising system
Aidenn
alipui
anomalar
antefix
articular angioma
be at someone's neck
cage failure
cambium insect
Cansten
cast one's bread upon the waters
cesium-beam atomic oscillator
chelate group
coefficient of torque reserve
collision plasma
communication trench
concentration coefficient
concha de alava
Curimatinae
deoiler
derepressible
Dodecylguanidine
emitter injection
enborne
epinatrolite
eye-filling
field-effect physiatrics instrument
fieldtron
Flossie
fluoro-copper-complex
frame top rail
function cost analysis
functional verification
furburger
gendarmeries
Glesum
heviz
hypoprolactinemia
incremental development
indirect regeneration
inhume
inner grease retainer
input/output buffer store
integrated logic accumulating scanner
isobutylene-isoprene rubber
James-Lange theory(of emotion)
Karlsruher
keep apart
kofia
kunzel
latsts
Livesey
long transaction management
lucha libre
lucianne
mcguffrey
meshing bevel gear
metallic coating by hot dipping process
microphone array
microprocessor address modes
nonprocess equipment
nssp
octet stability
ordered probability model
palmitoyltransferase
papillary dysfunction
peach karnel oil
Pelomedusidae
pervert the course of justice
phenomenalism
phenyl-triethyl-silicane
pilfering
postcentral gyruss
power-steering
propiverine
purists
radiation coupling
radiative relaxation
radioactive iodine test
scarfwise
shallow diffused junction
sheroes
single ended boiler
snowpacked
sorting out
stagecoach
steven weinbergs
storage signal
Super Grass
technical speed
tenth-grader
trochim
tune something up
turning dynamometer
unconsciously
untamped
uramido acetic acid
urticaria factitia
Vestermark
woodvilles
zaladonis