椭圆和谐运动

This is Scientific American's 60-Second Science. I'm Christopher Intagliata. Got a minute? Why do some chords sound sweet but others make you wince? Well it appears our earsor at least the ears of 250 Minnesota undergradsprefer chords containing harm

发表于:2018-12-24 / 阅读(71) / 评论(0) 分类 Scientific American(五)月

76 years after Pluto's discovery and after 17 years of research and development, Nasa's new Horizon Spacecraft sets out for Pluto. Travelling at around a million miles a day, it's on a 9-year, 700-million-dollar journey to reach Pluto and review its

发表于:2018-12-27 / 阅读(653) / 评论(0) 分类 探索与发现2015年

我们今天学的词是:planet。Planet是行星。不过你听说了吗,太阳系中排行第九的行星冥王星Pluto被降级了。Astronomers' reclassification strips ninth planet of status in solar system. 国际天文学会对行星重新定

发表于:2018-12-30 / 阅读(56) / 评论(0) 分类 英语每日一词

Students who listened to different chords rated as more pleasing the ones that westerners think of as harmonious, the individual notes of which have definite mathematical relationships 【英文文本】 Why do some chords sound sweet but others make

发表于:2019-01-02 / 阅读(53) / 评论(0) 分类 60秒科学

Vocalist Catherine Russell is always searching for that next great melody. She's found more than a dozen of them to sing on her latest album, Inside This Heart Of Mine. Catherine Russell is a perfectionist when it comes to choosing her material. Her

发表于:2019-02-06 / 阅读(54) / 评论(0) 分类 VOA标准英语2010年(六)月

我们今天学的词是:planet。Planet是行星。不过你听说了吗,太阳系中排行第九的行星冥王星Pluto被降级了。Astronomers' reclassification strips ninth planet of status in solar system. 国际天文学会对行星重新定

发表于:2019-02-24 / 阅读(103) / 评论(0) 分类 学个词
学英语单词
alkylmagnesium halide
alstroemeria pelegrinas
angellala creek
apparent half-life
Arctic Ocean
Aubrey holes
average guarantee
bhur
blood letter
Caroline Pk.
Chilognatha
circulation water leakage detector
claim by right of descent
cotton plant gatherer
day order
differential thermogravimetric analysis
economic civics
enyls
espews
expense of taxation
formal rules
glaciolgy
gross ceiling
guanay
gyroperiod
hard-edges
Heave in!
hit points
hoist house
home terminal
homogenesis
immersion liquor
interior warp
Jacobi's transformation determinant
kilo-electron volts
kinoform generation
laffont
lamellar layer
laurifolium
Lebesque-Stieltjes integral
machine independent microprogramming language
Magistrate Judges
makunduchi
manual steering gear
Marby
maximum foreseeable cost
mezanine
miserity
molybdoproteins
mount robson park
multi-ownership
neurasthenia pura
nonvitrified
on-line digital analog simulator
panoramic perspective
paris binding
paviser, pavisor
pettiskirt
phthisiologia
potential of a particle
pressure sensitive adhesive
Prominentia mallearis
regulating wheel
round bodied needle
Salka
San Diego, C.
sandstone band
shallow water sounder
shitcanned
single steam chest valve
single-instruction stream single-data stream
special warranty deeds
speciality goods
specific damping capacity
straw basket
streetwiser
style(stylus)
Sumatera Selatan, Propinsi
summer houses
supermaneuverability
syphilitic arteritis
Teniers
tetracosahexaenoic acid
tiphiid
tocolytic
torsion bearing
traffic regulation computer
transmission constant
trichocoma paradoxa
typical sampling
unbegrave
under threat
United Artists Corporation
unswerved
vanderhoof
vidovich
virtue ethics
voltage-generating transducer
vowess
wine-pot in the shape of a calabash
winston artificial intelligence
wrong-doers