谐动凸轮，谐动轗

VOA标准英语2010年-Italian Authorities Clear Out Roma Cam

Italian authorities have begun to clean out one of Europe's largest camps of Roma. The Roma are commonly known as Gypsies but they trace their origins to South Asia. Officials say living conditions in the Casilino 900 camp in Rome are disgraceful and

发表于:2018-12-16 / 阅读(63) / 评论(0)

VOA标准英语2010年(一月)

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(71) / 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(54) / 评论(0)

60秒科学

VOA慢速英语-AMERICAN MOSAIC - How Lil Wayne Became a Big Name in

Also: A question from China about the Beijing Olympics. And ''The Story of Edgar Sawtelle,'' a book about dogs, family and a very smart boy. Transcript of radio broadcast: 17 July 2008 Welcome to AMERICAN MOSAIC in VOA Special English. (MUSIC) I'm B

发表于:2019-01-11 / 阅读(70) / 评论(0)

VOA慢速英语2008年（七）月

The Motion of Mars

63 火星的神秘运动 DATE=6-27-01 TITLE=SCIENCE REPORT - The Motion of Mars BYLINE=Mario Ritter (Start at 59

发表于:2019-01-30 / 阅读(63) / 评论(0)

科技之光

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(54) / 评论(0)

VOA标准英语2010年(六)月

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boron lined counter tube

bridged t filter

childmindings

circumferential butt joint ring

cobalt(ii) ferrocyanide

constant (flow) rate filtration