金属表面电浆子及二次谐波产生器

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Rob: Hello and welcome to 6 Minute English from BBC Learning English. I'm Rob and with me is Finn. Finn: Rob: Finn? Are you ok? Finn: (breathes out) Ahhh 49 seconds I was just holding my breath! Rob: A new hobby of yours, Finn? Finn: Well today we're

发表于:2018-11-29 / 阅读(134) / 评论(0)

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发表于:2018-12-29 / 阅读(47) / 评论(0)

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发表于:2019-01-13 / 阅读(42) / 评论(0)

VOA标准英语2012年(一月)

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发表于:2019-01-16 / 阅读(47) / 评论(0)

2017年NPR美国国家公共电台7月

VOA常速英语2008年-Australia Sets Up Simulated Refugee Camp in Mel

By Phil Mercer Sydney 25 February 2008 A simulated refugee camp has been set up in Melbourne to show Australians the sort of hardship suffered by millions of people around the world. Refugee Realities is the work of the charity Oxfam. The camp is set

发表于:2019-01-31 / 阅读(38) / 评论(0)

VOA常速英语2008年（二月）

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雅思写作开头段常用思路 1．介绍当前背景、现象、形势+说出自己的观点例1： As the competition for college education becomes severe, more and more parents begin to pay special attention to their childrens early education.

发表于:2019-02-12 / 阅读(98) / 评论(0)

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