音标:['ɡræsfɪntʃ] ;
grassfinch
['ɡrɑ:sfintʃ; 'ɡræs-]
n.
【鸟类】
草雀(Poephila,产于澳大利亚)
=vesper sparrow [亦作 grass finch]

When youre looking for a table in a crowded cafeteria, you probably give wide berth to the family that sounds like its sharing a big dish of whooping cough. Well, not if youre a house finch, particularly a male. Because a study in the journal Biology

发表于:2018-12-24 / 阅读(42) / 评论(0) 分类 Scientific American(二)月

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Some people are worried that the more we learn about genetics, the closer well get to a day when we can choose all sorts of characteristics for our bab

发表于:2018-12-24 / 阅读(50) / 评论(0) 分类 Scientific American(三)月

Finches Seek Out Sick Dining Companions A study in the journal Biology Letters finds that male finches prefer dining next to a sick bird despite the risk of infection, probably because the lethargic companion is less likely to engage in food fights.

发表于:2019-01-02 / 阅读(71) / 评论(0) 分类 60秒科学

Finches Can Learn to Sing Differently Than Their Genetics Dictate In the most recent podcast we discussed how baby bats learn their callsfrom all the other bats in their crowded colonies. And we mentioned in passing that songbirds usually get tutored

发表于:2019-01-20 / 阅读(36) / 评论(0) 分类 2018年科学美国人1月

Jennifer Glasse | London 09 April 2010 Spring is in the air at London's Barbican Center and the birds are making music, literally. A band of zebra finches is playing electric guitars and cymbals in a walk through area of the arts center. These zebra

发表于:2019-02-05 / 阅读(25) / 评论(0) 分类 VOA标准英语2010年(四)月

Isolated finches still produce what are called innate or isolate songs. A specific tune might be taught, but the instinct to sing seems to be hardwired into a songbird's brain. Innate songs sound different from the cultured songs learned from other f

发表于:2019-02-14 / 阅读(23) / 评论(0) 分类 留美老师带你每日说英文
学英语单词
admissible relief variation
amphidiarthrosis
antipole
Archaeoglobaceae
arithmetic average deviation
at one's wit's end
athalia rosae ruficornis
baicalein
be on the wrong tack
beveled siding
Bima, Tk.
bites back
burying
cathode ray gun
centibars
Chiang Mai, Changwat
Chinguetti
club law
columbarius
commercial jazz
concurrent session
constant moisture line
cost-improvement
countercurrent mixing
cymatium sinense
DC quadricorrelator
disk storage system
Ditofibrate
divergent double series
EAF (equivalent available factor)
electromechanical potentiometer
facility base carriers
file manger
gayfaces
greenmount
hard core least developed countries
hard(-drawn) wire
haycart
high frequency ferrite
Indexed Annuity
indubiously
international colour index
Kwiksave
Lactarius
last dog watch
Laudism
locked subcarrier
maple sugar
methyloestradiol
mixed construction
model in wind tunnel
moulding press
neutral skin
new product
Ngoreme
Nischu
nonagricultural population
nurse's cap
oil quench
opium-addiction(opiumism)
Orbetello
Oreocomopsis
ortonville
pan-psychiatry
plimsoll
power of veto
precise position indicator
pressure drag coefficient
principle of mathematical analysis
Proto-Mayan
pulse-Doppler search and acquisition radar
queenish
redepositions
rest on one's oars
reverse swing door
right to transfer stock
rubber spring drive
saver sub kelly
senses of humour
septalperforator
serve a writ on someone
showlers
sodium diprotrizoate
somatic recombination
straight side
tectus conus
teinoscope
Thomas Middleton
trigemini
turbas
turbinate
two ply laminating machine
ungratefulness
usnea rubescens anaemica
venisonburger
ventilator cap
virtual memory computer
vortex surface sheet
w-type engine
whall
wheatish
Znauri