洄游性鱼种

Electric Fish 发电鱼 One way that Harold Zakon and his team find fish to study is to put electrical detectors into the bottom of murky streams in Venezuela. This works because certain fish emit pulses of electricity. Discover electric fish -- on tod

发表于:2018-12-07 / 阅读(73) / 评论(0) 分类 (科普英语)Earth and Sky

This is one of the reasons why Canada, 这就是为何加拿大 originally a climate change hero -- 它原本是环保英雄- we were one of the first signatories of the Kyoto Accord. 我们是第一批签署京都议定书的国家之一 Now we're

发表于:2018-12-08 / 阅读(60) / 评论(0) 分类 TED演讲娱乐篇

The way we sample much of the world's oceans, to see what's living down there, is pretty basic: Ask fishermen. Or just stick a net down there, and examine what we catch. Neither method is ideal. Because you basically catch the fish and kill them. Phi

发表于:2018-12-24 / 阅读(51) / 评论(0) 分类 2016年Scientific American(十一)月

Noon arrived without the orb of day appearing for a single instant. 中午到了,日光仍是一瞬也没有现出。 You couldn't even find its hiding place behind the curtain of mist. 人们甚至不可能认出它在这雾幕后面所在的位置。

发表于:2018-12-31 / 阅读(62) / 评论(0) 分类 《海底两万里》中英双语有声读物

Britain Bird numbers Out of the woods 英国 鸟类数量 离开树林 Good news on the bird populationbut not for everyone 鸟类数量的捷报但并非对所有人 British birdwatchers are used to bad news. House sparrow numbers have fallen from a

发表于:2018-12-31 / 阅读(44) / 评论(0) 分类 经济学人要闻

Mosquitoes, Not Birds, Made West Nile National In 1999 West Nile virus infected its first American, in New York. By 2004, the disease had spread across the country. Researchers speculated that, for the disease to spread so far so quickly, birds must

发表于:2019-01-02 / 阅读(109) / 评论(0) 分类 60秒科学

Cambodian groups are asking the government to stop the controlled flooding of their villages as a hydroelectric dam goes into operation. The floodgates of the Lower Se San 2 hydropower dam are being closed and water levels are rising in Stung Treng p

发表于:2019-01-03 / 阅读(328) / 评论(0) 分类 2017年VOA慢速英语(九)月

ENVIRONMENT REPORT -August 9, 2002: US Proposes Ban on Snakehead Fish By Cynthia Kirk This is the VOA Special English ENVIRONMENT REPORT. American Interior Secretary Gale Norton has proposed a ban on

发表于:2019-01-07 / 阅读(62) / 评论(0) 分类 健康与环境

Migrating Birds Can't Find Their Way Home 迁徙候鸟无法找到回家的路 Scientists say a huge percentage of bird species are in danger because their habitats, or homelands, are disappearing. Traditional migration paths take birds through count

发表于:2019-01-12 / 阅读(100) / 评论(0) 分类 2016年VOA慢速英语(一)月

By Zulima Palacio Washington, D.C. 20 September 2006 watch New Species report A team of scientists just back from combing the waters off Indonesia has announced the discovery of more than 50 new species of undersea life, including a walking shark an

发表于:2019-01-12 / 阅读(125) / 评论(0) 分类 2006年VOA标准英语(九月)

Fish-Sucking Parasite Named After Bob Marley The new species is called Gnathia marleyi, named in honor of the late reggae star, Bob Marley. Lead researcher Paul Sikkel, a marine biologist at Arkansas State University with a passion for Marleys music,

发表于:2019-01-13 / 阅读(82) / 评论(0) 分类 VOA标准英语2012年(七月)

Snakehead Fish Fair Game for Anglers On any given sunny weekend, the snakehead is the regions most wanted fish. An 18-hour competition put more than 600 kilograms of these toothy monsters on ice. Fishermen like Mike McDermott and Teddy McKenzie say t

发表于:2019-01-13 / 阅读(77) / 评论(0) 分类 VOA标准英语2012年(六月)

Birds and planes have been colliding since the Wright brothers first took to the air. There are dozens of bird strikes each day, causing hundreds of millions of dollars in damage to airplanes each year, and putting the lives of passengers and crew me

发表于:2019-01-14 / 阅读(68) / 评论(0) 分类 VOA标准英语2010年(十)月

Studies: How Whales, Fish Might Adapt To Warming Ocean Two new science studies provide a glimpse of how some important Pacific Ocean sea creatures could adapt to a changing climate. One study describes how gray whales successfully adapted to previous

发表于:2019-01-14 / 阅读(74) / 评论(0) 分类 VOA标准英语2011年(八月)

Final Vote Nears on Conserving Sharks Shark fin soup is a delicacy in Asia. But its popularity is helping to decimate shark populations. However, governments voted Monday (today) to protect five species of the predators. Preliminary approval came at

发表于:2019-01-14 / 阅读(48) / 评论(0) 分类 VOA标准英语2013年(三月)

And we're replacing that with the largest industrial project in the history of the world, 将它转变成史上最大的工业项目, which is producing the most high-carbon greenhouse gas emitting oil in the world. 生产温室气体排放量最大的

发表于:2019-01-18 / 阅读(63) / 评论(0) 分类 TED演讲商业篇

Lionfish are taking over coral reefs in the Caribbean and Atlantic. Here, Lad Akins catches one. In the waters of the Caribbean Sea, a voracious invasive species called the lionfish is threatening to overtake the reefs. Conservation groups are fighti

发表于:2019-01-31 / 阅读(55) / 评论(0) 分类 VOA标准英语2010年(七)月

TIANJIN, Dec. 15 (Xinhua) -- More than 200 rare migrating birds have taken up residence at a wetland in north China's Tianjin Municipality despite heavy snow, a rare occurrence for this time of year, according to a local volunteer. The oriental white

发表于:2019-02-04 / 阅读(135) / 评论(0) 分类 英语新闻

By Phil Mercer Sydney 20 February 2008 Scientists say they have taken an array of new marine species from the seabed off eastern Antarctica. They are warning, though, that climate change could soon make extinct many of the strange creatures they have

发表于:2019-02-06 / 阅读(81) / 评论(0) 分类 VOA常速英语2008年(二月)

BEIJING, Sept. 14 (Xinhuanet) -- Scientists had discovered the fossils of a new species of ancient carnivorous fish, National Geographic reported Monday. The newly-found ancient fish, Laccognathus embryi, is a 1.8-meter-long predator, which was waiti

发表于:2019-02-18 / 阅读(196) / 评论(0) 分类 英语新闻
学英语单词
a cast of the eye
agricultural automation
alkali-calcic index
allocated price
American dream
aoraki
aurelie
bark painting
behusband
berthing signal
Bochum
breakpoint trigger
capillaropathy
cesium trinitride
closed-ended questionnaire
Dendropicos
differential leakage flux
diurnal
effective money
elevation movement
endoglucase
engine cleaner
equity margin
erotologists
external concrete vibrators with motor
farm-price method
fibre-optic data link
fibroreticulate
fluted-roll mill
forced-air-cooled
fumarias
garbage disposal plant
getting rolling
gungude
gypster
gyratory shaker
hempas
hitchhiking effect
initial culture
inspection glass for oil level
integritive
ionisation
irregulacy
lis seriatim
magnetoionic theory
mapworks
masking technique
master of engineering
maximum cutout
meatworks
methods-time management
middle disc
moonshoe
mourther
multivariate population
op-amps
orange peels
pegmatitic
pharmacological incompatibility
phola octodecimguttata
photofluoroscop
poly-
pre-birth
pro-industry
pseudo-ophthalmoplegia
pulvinated frieze
Rakhnat
real-time application programming
relegalization
revolve about
romanesque legal system
rosulate
rustam
sand grain distribution
Sarambabila
selective renal arteriography
Senecio dubitabilis
shkin (shakin)
simulated annealing method
sizing broach
smalltalk
spl special
SROE
staining bottle
Stmi
synthetic camphor
terral
thermo-barometer
tissne diagnosis
touch something up
true energy of the zang organ
typification
ultrared-ray video microscope
unsayably
V. W.
Vilshofen
Wilson gear
womenkind
wreath goldenrod
xestobium rufovillosums
zero base review