放射性喷替酸镱

You're always in my heart From early in the morning till it's dark! I gotta see your sweet, sweet smile everyday When I wake up in the morning And I see you there I always whisper a little prayer I gotta see your sweet, sweet smile everyday I gotta

发表于:2018-12-14 / 阅读(28) / 评论(0) 分类 美国乡村音乐

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发表于:2018-12-30 / 阅读(35) / 评论(0) 分类 有声畅销书-秘密

Youve given some thought to oxygen, carbon, uranium. But youve probably never mused about the element ytterbium, symbol Yb. A new study by scientists at the National Institute of Standards and Technology, or NIST, says that ytterbium could find a rol

发表于:2019-01-08 / 阅读(48) / 评论(0) 分类 Scientific American(八)月

The script of this programme 本节目台词 Many centuries of art can be seen at the Tate Britain museum. Vicki: Hi, and welcome to On the Town from BBC Learning English. I'm Vicki. Chen Li: 我是陈鹂,大家好,今天,我们要说说和英国一个十分有名的美术馆有

发表于:2019-01-16 / 阅读(70) / 评论(0) 分类 都市掠影

The script of this programme 本节目台词 A gallery big enough for everyone Andrea: Tate Modern is Britains national museum of modern art. Jean: 自从泰特现代美术馆在2000年建馆以来,已经有4百万游客到这里游览观赏。 Andrea: Today we get artistic in Londo

发表于:2019-01-16 / 阅读(70) / 评论(0) 分类 都市掠影

By Scott Stearns White House 19 January 2007 U.S. President George Bush stands before the American people next Tuesday for the annual State of the Union address. VOA White House Correspondent Scott Stearns reports, administration officials say this

发表于:2019-02-07 / 阅读(114) / 评论(0) 分类 2007年VOA标准英语(一月)