【声学】音质,音色

This is Scientific American's 60-second Science. I'm Steve Mirsky. Got a minute? Can you name those notes? Probably not. Perhaps one in ten thousand speakers of European languages has perfect pitch - the ability to recognize a note without having hea

发表于:2018-12-24 / 阅读(54) / 评论(0) 分类 Scientific American(五)月

This is Scientific American's 60-second Science. I'm Karen Hopkin. If you ever got picked on in the schoolyard, you might have wished for some sort of superpower, like unbeatable speed or maybe just the ability to completely disappear. Now scientists

发表于:2018-12-24 / 阅读(51) / 评论(0) 分类 Scientific American(五)月

This is Scientific American's 60-Second Science. I'm Karen Hopkin. This will just take a minute. Every year, scores of manatees are killed by boats in Floridas waters. Their plight is an ecological concern. And everyone from marine biologists to Marg

发表于:2019-01-08 / 阅读(45) / 评论(0) 分类 Scientific American(十一)月

This is Scientific American's 60-second Science. I'm Karen Hopkin. This will just take a minute. Hybrid cars are good for the environment, but scientists say that they might be bad for pedestrians. Because hybrids are so quiet that can be hard for wa

发表于:2019-01-08 / 阅读(47) / 评论(0) 分类 Scientific American(五)月

Country Music Ladies Put Men in Their Place American country music lyrics often describe women as they might appear in mens dreams. This is especially true of songs by many male artists. But the songs by Maddie Marlow and Tae Dye are different. The t

发表于:2019-01-12 / 阅读(45) / 评论(0) 分类 2015年VOA慢速英语(九)月

通知与确认 Acknowledgments Confirmations 通知对方接到来信Acknowledging receipt of letters1. Dear Mr/Ms,Thank you for your letter No. A-3 of 6th May, offeringus 6 UI-4 Viewdatas. We have passed it on to ourTechnical Department for their c

发表于:2019-02-06 / 阅读(93) / 评论(0) 分类 实用英语
学英语单词
absinthiating
alkalied
AMMS (automated maintenance management system)
anti-catabolic
arthritis lencocytotica
augurize
autobiographies
Averrhoist
aviation oil
ballast distributing and regulating machine
band seater
be worse than one's word
bocaiuva do sul
boiler dash plate
Bronsted acid
ceilinged
chih-yuen
children's sandal
citri-
cloth roll stands
combat vehicle sight
commercial and administrative center
company promoter
connected nilpotent Lie group
control survey of mine district
convexa
day-jobs
decathlon
demerara (georgetown)
descend into
divulge
dizzard
Durga Puja
dust ruffle
endosteal implant
equivalued
eurotrash
ex lighter
exanimates
Expresionist
falanaka
fault state
finder frame
fire-smothering system
flash smelting process
GMENAC
Hamta P.
individuify
information resource dictionary system
ivory coasts
k-scan
keyed adapter
kost-
latch up free
letter-head
linear inferences per second
liquid-liquid distribution
lorwins
Mach one
maintenance agreement
maximum boost horse power
misspace
mixing batter
Morax-Axenfeld bacillus
muonic number
nationalizes
needs for self-actualization
oke-odan
outward bounder
paintsville
paratitle
piquite
Plectospirifer
pointlessly
polyendocrinopathy
positive displace pump
private-language
relative humidities
renal collar
revolving jib crane
Rhododendron glischrum
riser
Rönnäng
schools of music
scorpionfly
shift supervisor
specification language
sterilized cotton ball
sympetalous flower
syndrome of dampness-heat stagnating in spleen
t-quark
tactile sensations
tap-penalty
Tetramimle
thermal conductivity bridge
thermo-electron
treble hook
uncommittedness
underwater lighting
unsulphated
untrue
vector product