un. 〔音〕高八度音形式
[网络] 种八度类别

Five species of shark have been put on a wildlife protection list. The move has been made at the final meeting of the Convention on International Trade in Endangered Species in Bangkok, Thailand. The decision restricts cross-border trade in the ocean

发表于:2018-12-19 / 阅读(136) / 评论(0) 分类 英闻天下

Genetic Analyses Show Endangered Species in Shark Fin Soup More than 73 million sharks are killed every year, mostly for their fins, to make shark fin soup, industry experts and conservationists say. Shark fin soup is a common offering in many Asian

发表于:2019-01-09 / 阅读(134) / 评论(0) 分类 VOA标准英语2012年(八月)

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(188) / 评论(0) 分类 2006年VOA标准英语(九月)

By Lisa Schlein Geneva 12 September 2007 A new report says the number of species threatened with extinction is escalating. The World Conservation Union, which has just released its Red List of Threatened Species, warns life on Earth will continue to

发表于:2019-01-13 / 阅读(188) / 评论(0) 分类 2007年VOA标准英语(九月)

By Paul Sisco Washington 16 May 2008 The United States Government, Wednesday [May 14] officially added polar bears to the list of threatened animals under the Endangered Species Act. Bush administration scientists decided the species is at risk of be

发表于:2019-01-13 / 阅读(111) / 评论(0) 分类 VOA标准英语2008年(五月)

Bird Counts Show Species Decreasing Huntley Meadows Park in Fairfax County, Virginia, is home to a wide variety of birds. That's where Ana Arguelles and her husband, Jeff Wneck, who live next to the 588-hectare wetlands, take part in the annual count

发表于:2019-01-13 / 阅读(151) / 评论(0) 分类 VOA标准英语2012年(一月)

New technologies aid in conservation efforts at the National Zoo Susan Logue Koster | Front Royal, Virginia 19 July 2010 The National Zoo opened a cheetah science facility in 2007 at its conservation center in Front Royal, VA. Cheetahs are considered

发表于:2019-01-13 / 阅读(111) / 评论(0) 分类 VOA标准英语2010年(七)月

New Species Might be Human Ancestor Fossils found in a South African cave might belong to a new species of early humans that holds a unique place on the evolutionary road to modern man. On a 2008 mapping expedition in Malapa, South Africa, American p

发表于:2019-01-13 / 阅读(155) / 评论(0) 分类 VOA标准英语2011年(九月)

Species Loss Compromises Earths Vital Systems Scientists have long thought that diverse ecosystems like forests, lakes and streams are especially good at removing pollutants that human activities put into the environment. A new study in the journal N

发表于:2019-01-14 / 阅读(110) / 评论(0) 分类 VOA标准英语2011年(四月)

One of my favorite stories comes from Frank Serafine. 我最喜欢的段子之一来自于弗兰克塞拉凡尼。 He's a contributor to our library, and a great sound designer for Tron and Star Trek and others. 他是我们音效库的贡献者之一,

发表于:2019-01-18 / 阅读(116) / 评论(0) 分类 TED演讲娱乐篇

Sweet Song Gives Away New Bird Species我的歌声你懂得 That, of course, is the sound of the Himalayan forest thrush. And that sound was a clue to field researchers that they might have a new species of bird on their hands. Even though it was in

发表于:2019-01-20 / 阅读(140) / 评论(0) 分类 2017年Scientific American(四)月

Species Split When Mountains Rise生脉隆起导致生物多样化 The tropics are well known for their biodiversity. But another hotspot? Mountains. Like the Hengduan Mountains, in south-central China. 热带地区因为其生物多样性而为大家所

发表于:2019-01-20 / 阅读(145) / 评论(0) 分类 2017年Scientific American(四)月

When we lose reefs, we lose basically the cradles of evolution in the oceans. Wolfgang Kiessling A new study out this week highlights the role that coral reefs play in evolution, adding another reason to preserve these delicate, diverse, and often be

发表于:2019-02-02 / 阅读(159) / 评论(0) 分类 VOA标准英语2010年(一月)

JINAN, May 14 (Xinhua) -- Chinese scientists said Saturday that they have found a new species of giant theropod dinosaur in the eastern province of Shandong. The new species, described as a close relative of Tyrannosaurus rex (T. rex), has been named

发表于:2019-02-05 / 阅读(155) / 评论(0) 分类 英语新闻

Researchers working for the World Wildlife Fund have warned that the effects of climate change pose a serious threat to rare species of wildlife discovered within the past year in Southeast Asia, including a fanged frog and a leopard-striped gecko. A

发表于:2019-02-05 / 阅读(160) / 评论(0) 分类 英语杂谈

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(158) / 评论(0) 分类 VOA常速英语2008年(二月)

vibration 振动 sound 音 tone 音(乐音) musical tone 乐音 noise 噪音 acoustics 声学 psychoacoustics 心理声学 frequency 频率 intensity 强度 time 时间 wave form 波形 pitch 音高 loudness 响度 duration 时值 timbre 音色 (tone

发表于:2019-02-07 / 阅读(142) / 评论(0) 分类 英语口译

vibration 振动 sound 音 tone 音(乐音) musical tone 乐音 noise 噪音 acoustics 声学 psychoacoustics 心理声学 frequency 频率 intensity 强度 time 时间 wave form 波形 pitch 音高 loudness 响度 duration 时值 timbre 音色 (tone

发表于:2019-02-07 / 阅读(131) / 评论(0) 分类 英语口译

CANBERRA, March 23 (Xinhua) -- Up to 45 native species in Western Australia's Kimberley region will die out within 20 years if no action is taken, latest study showed on Wednesday. The Priority Threat Management to Protect Kimberley Wildlife report,

发表于:2019-02-18 / 阅读(163) / 评论(0) 分类 英语新闻

UK-based scientists are reporting the discovery of more than a hundred new species of marine plants and animals, including thirteen new crustaceans, as part of a deep-sea survey around the British territory of Bermuda in the Atlantic. CRI's Niu Hongl

发表于:2019-02-22 / 阅读(125) / 评论(0) 分类 2018CRI中国国际广播电台
学英语单词
accepted test
accumulation of signals
acing
age-proof finish
ampers
annihilator of a module
anuradha
badge card
bed-fellowship
begorra(h)
besteman
blendingly
block sketching
bookbags
burning bush
burr reamer
capital of Chile
cdic
cenesthesia
cheilognathus
classified depreciation
control indices
coolth
cruikshanks
cycamore
Decca navigation system
dichogamous (sprengel 1793) flower
Drypetes formosana
Eidsvollfjellet
enterprisers
equivalent sphere diffusion model
fit note
gaulty
general crossing of a cheque
general file operator
greis
gyves
half maxwell lens
i must dash
jigoro
joint at acute angle
kampelmen
knightlet
koruny
Latin rite
Lehnin
Lenz law
lifting crane
longitudinal flame
lounge chair
Mangoni
mass coloration
McDowell County
median lethal concentration
metergrams
mixed mutation
newspaper editor
non-residential construction
ODL
oilbars
oriental sunstone
P. R. O.
penflutizide
photographers' eczema
precanceroosis
progressive atrophoderma
rate of on-schedule bus runs
resistance of ballast to longitudinal displacement of track
roll form beading
rumored
Rutherford back scattering spectroscopy
schedule of creditors' balances in purchase ledger
seatholders
self compression
smart cart
soft pine
steam by-pass system
straight fluted reamer
sufis
Sungaitiram
superatoms
superdetective
swelling of cargo
take out one's bat
take sb to bosom
theoretical ecology
timber concession
touns
TRADIC
transposed file
Trap-ditch
ulay
undertreated
uranotantalite (samarskite)
vehicle summary and priority table
Virama, Ensenada de
wall-mounted light
watch window
water turbo-generator
wavefront method
weight loaded accumulator
whole-body exposure