最佳调和优函数

【寓言】The Ant and the Dove(有声)

The Ant and the Dove An ant went to the bank of a river to quench its thirst, and being carried away by the rush of the stream, was on the point of drowning. A Dove sitting on a tree overhanging the w

发表于:2018-12-05 / 阅读(170) / 评论(0)

创世记

【寓言】The Ant and the Grasshopper(有声)

The Ant and the Grasshopper In a field one summer's day a Grasshopper was hopping about, chirping and singing to its heart's content. An Ant passed by, bearing along with great toil an ear of corn he

发表于:2018-12-05 / 阅读(197) / 评论(0)

创世记

SSS 2010-05-20

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(161) / 评论(0)

Scientific American(五)月

优美音乐来自和谐的数学组合(有声)

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(151) / 评论(0)

60秒科学

The Ant and the Dove

An ant once leaned too far over the edge of a fountain and fell in-to the water．A dove was watching from a tree nearby．She saw that the ant could not swim so she plucked off a leaf and threw it down to him．He managed to scramble onto it and in

发表于:2019-01-26 / 阅读(204) / 评论(0)

趣味英语

The Ant and the Grasshopper

One cold，frosty day in the middle of winter a colony of ants was busy drying out some grains of corn which had grown damp during the wet autumn weather．A grasshopper，half dead with cold and hunger，came up to one of the ants．Please give me a

发表于:2019-01-26 / 阅读(241) / 评论(0)

趣味英语

VOA标准英语2010年-Catherine Russell Releases Blues Influ

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(152) / 评论(0)

VOA标准英语2010年(六)月

The Ant and the Fly

An ant and a fly were contending heatedly who was of greater importance．The fly was the first to begin：Can you possibly compare with my endowments？When a sacrifice is made，I am the first to taste the entrails that belong to the Gods．I pass

发表于:2019-02-06 / 阅读(233) / 评论(0)

趣味英语

影视歌曲：Kimya Dawson--Antsy Pants-Tree Hugger

Tree Hugger 是电影Juno原声带中的一首插曲。这首歌由Kimya Dawson 和 Antsy Pants 联手带来，带着轻松愉悦的气息描述了如同童话里的场景。 The flower said, I wish I was a tree, The tree said, I wish I could be A di

发表于:2019-02-11 / 阅读(159) / 评论(0)

英乐时空

加州英语分级G1 The Ant and the Dove 06

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发表于:2019-03-02 / 阅读(177) / 评论(0)

加州英语分级G1

加州英语分级G1 The Ant and the Dove 07

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加州英语分级G1

加州英语分级G1 The Ant and the Grasshopper 01

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加州英语分级G1

加州英语分级G1 The Ant and the Dove 08

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加州英语分级G1

加州英语分级G1 The Ant and the Grasshopper 08

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加州英语分级G1

加州英语分级G1 The Ant and the Grasshopper 07

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加州英语分级G1

加州英语分级G1 The Ant and the Grasshopper 06

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加州英语分级G1

加州英语分级G1 The Ant and the Grasshopper 05

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加州英语分级G1

加州英语分级G1 The Ant and the Grasshopper 04

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加州英语分级G1

加州英语分级G1 The Ant and the Grasshopper 03

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加州英语分级G1

加州英语分级G1 The Ant and the Grasshopper 02

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加州英语分级G1

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average coordination number

backfilling thrower