音标:['baɪə(ʊ)mæs] ;
n. (单位面积或体积内的)[生态] 生物量

Key Words [00:01.02]关键词 [00:02.04]The Most Common Expressions [00:03.29]最常用表达法 [00:04.55]It all depends. [00:06.86]视情况而定。 [00:09.17]It's up in the air. [00:11.36]沿未确定。 [00:13.56]I haven't decided yet. [00:16.34

发表于:2018-11-28 / 阅读(167) / 评论(0) 分类 零距离李阳疯狂英语口语

[00:00.00]在线英语听力室( www.tingroom.com )友情制作 [00:05.82]2006 Text3 [00:08.14]When prehistoric man arrived in new parts of the world, [00:12.17]something strange happened to the large animals: [00:15.51]they suddenly became extinct. [00:18.03]

发表于:2018-11-30 / 阅读(108) / 评论(0) 分类 历年考研英语阅读理解

When you consider all life on Earth, billions of human beings are a relatively small number when compared to trees, earthworms or even viruses. But humans really know how to use what little power we have, a new study found. The study is said to be th

发表于:2018-12-08 / 阅读(87) / 评论(0) 分类 2018年VOA慢速英语(六)月

Asies Mi Amor, dulcisima y sensual es miel y flor mi aliento en el dolor me da valor cuando no puedo mas, me ense?a dar, me ayuda a perdonar, asi es mi amor, bellisima y sensual, sentimental amante si

发表于:2018-12-14 / 阅读(109) / 评论(0) 分类 英语歌曲第七辑

This is Scientific American's 60-Second Science. Im Karen Hopkin. Itll just take a minute. When you think about an ecosystem, you usually think of the big animals that live there. The Serengetis ruled by lions. And estuaries are populated by fishes,

发表于:2018-12-24 / 阅读(67) / 评论(0) 分类 Scientific American(七)月

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. There's a huge, gunky brown cloud that lingers over south Asia and the Indian Ocean each winter. Its been known to cause respiratory diseases and even

发表于:2018-12-24 / 阅读(95) / 评论(0) 分类 Scientific American(一)月

15. What researchers such as Ransom Myers and Boris Worm have shown is just how fast things are changing. 【分析】复合句。本句中 what 引导主语从句,其中 such as Ransom Myers and Boris Worm 表列举,is 是系动词。 【译文】

发表于:2018-12-30 / 阅读(52) / 评论(0) 分类 考研英语长难句讲解

Scientists Measure Ocean Health by Its Color 科学家根据海洋的颜色测量其健康度 You wouldn't order phytoplankton from a menu, but these microscopic green algae are an important food. The

发表于:2019-01-03 / 阅读(106) / 评论(0) 分类 VOA2005(上)--环境科学探索

意大利推出先进的生物燃料工厂 by Marzia De Giuli CRESCENTINO, Italy, Oct. 9 (Xinhua) -- An advanced plant for the production of second generation biofuels from plants not suitable for food consumption was inaugurated in northern Italy on

发表于:2019-01-11 / 阅读(83) / 评论(0) 分类 英语新闻

DEVELOPMENT REPORT - Seeing More Forest for the Trees: A Brighter Future for World's Forests?By Caty Weaver Broadcast: Monday, December 11, 2006 This is the VOA Special English Development Report. A r

发表于:2019-01-11 / 阅读(127) / 评论(0) 分类 2006年慢速英语(十二)月

This is the VOA Special English Economics Report. A US fuel pump for 85 percent ethanol, 15 percent gasoline What happens when a food crop becomes a fuel crop? This is a question many people are trying to answer as demand for ethanol increases. The

发表于:2019-01-11 / 阅读(61) / 评论(0) 分类 VOA慢速英语2007年(三)月

Fighting Fire with Fire In African savannahs, or grasslands, wildfires can either be destructive or beneficial. It all depends on when those fires occur. Scientists at the World Agroforestry Center have developed a system to determine the best time t

发表于:2019-01-14 / 阅读(109) / 评论(0) 分类 VOA标准英语2013年(二月)

Illinois Biomass Recycling Center Aims to be First of its Kind Outside rural Goodfield, Illinois is a pile of wood that weighs 4.5 million kilograms. Some people call it garbage, but for Paul Wever, it's something else. I look at this as oil barrels

发表于:2019-01-14 / 阅读(74) / 评论(0) 分类 VOA标准英语2013年(七月)

15. What researchers such as Ransom Myers and Boris Worm have shown is just how fast things are changing. 【分析】复合句。本句中what引导主语从句,其中such as Ransom Myers and Boris Worm 表列举;is是系动词,how引辱的从句

发表于:2019-01-16 / 阅读(76) / 评论(0) 分类 考研英语长难句讲解

Keeping up with the Joneses是一个典型的美式习语,表示“和你的富裕邻居保持同等的生活方式或质量”,这其实是一句讽刺的话,指“和左邻右舍比排场比阔气

发表于:2019-01-18 / 阅读(224) / 评论(0) 分类 英文语法词汇

By Phuong Tran Dakar 15 March 2007 In some parts of Africa, divorce is still considered a scandal. But, as more couples move to Africa's rapidly growing cities, divorce has become less of a cultural shock. Although female divorcees in rural communit

发表于:2019-02-02 / 阅读(164) / 评论(0) 分类 2007年VOA标准英语(三月)

Limited Partnership 有限合伙(名词),一种伙伴关系,一个或多个伙伴承担偿还债务的法律义务,但还债的额度只限于他们各自拥有的金额。 The venture capit

发表于:2019-02-03 / 阅读(198) / 评论(0) 分类 实用英语

当红翻唱女Esmee Denters首张单曲 Outta Here Get me outta here 'Cuz my eyes are burning from these silly tears That you brought when you show me you dont really care And you never loved me, Someone get me outta this place 1 2 3 4 (Right now)

发表于:2019-02-03 / 阅读(124) / 评论(0) 分类 好听的英文歌曲

By Greg Flakus Prescott, Arizona 03 November 2006 watch Forest Fire Prevention In the western United States this year nearly four million hectares of land have been scorched by fire, in the worst wildfire season on record. Twenty-one firefighters ha

发表于:2019-02-05 / 阅读(190) / 评论(0) 分类 2006年VOA标准英语(十一月)

By Jim Malone Washington 20 February 2008 Democratic presidential contenders Barack Obama and Hillary Clinton are headed for a showdown March 4 in primaries in Texas and Ohio. Those primaries could go a long way toward deciding who will be the Democr

发表于:2019-02-07 / 阅读(127) / 评论(0) 分类 VOA常速英语2008年(二月)
学英语单词
-maniac
A-zone(A-horizon)
advanced atmospheric sounding and imaging radiometer (aasir)
Americana.
amount of debt
antimissile observation system satellite
antistaining agent
avtandil
Bacterium melitense
blanket plaid
caldor
cessation of work
coefficient of eddy viscosity
communication adapter error counter
Continuity Army Council
cothromboplastins
crepe hair
Cycas changjiangensis
dead-beat adaptive control
denominationalizes
diab
Diethylether
diphenyl phosphine
discrimination effect
dispatch cases
ecclestones
Edward Teach
effective surface area
EHD generator
enantiotopic
equipotent
feel like a fish out of water
fill with dense protein
flouride
gismondine
Gossypium herbaceum L.,African cotton
green dinosaur
Gūk Tappah
had nothing to do with
Halacaridae
herpes simplex virus
investment benchmark
Khoisan language
Kiritimati Atoll
let someone down a peg or two
lingula of left lung
load-ga(u)ge
lophanthoides
low-voltage X-ray therapy
management communication
microconstituent
modulus of subgrade reaction
morphotroph
Mot.
motor surfboat
multiplexual
multiprovince
non-excludabilities
oil-gas separation
overshifts
packet switched digital data network
parochial church council
Priodontes giganteus
process of behavior change
pump regulating mechanism
pyrone detector
Ramsch
repeat start failure
reservoir range
self-contained instrument
semifinished bolt
settle a debt by payment
sharp tuning
shear(ing) modulus
short process
short-term output
skid resistant carpet
smla
smoke-eater
spark blow-out plate
St Anne I.
stibous
swizzler
systematic test of ship modelc
tenesmuses
terra flava usta
third party plaintiff
thornyhead
threat function
time-lag disturbance
to want me
tourist baggage insurance
toxoplasma caviae
trumpet flower
tyspanodes hypsalis
wahts
weakly inaccessible cardinal
welding blow lamp
wetting zone
whittets
year's mind
yellow cat