水力发电位址

SSS 2008-09-24

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Theres a Native American site in Ohio that appeared to be a fort. But recent discoveries by archaeologists at the University of Cincinnati show thats n

发表于:2018-12-24 / 阅读(61) / 评论(0)

Scientific American(九)月

SSS 2011-03-14

This is Scientific American's 60-Second Science. I'm Steve Mirsky. This will just take a minute. The type of accident that is occurring in Japan is known as the station blackout: loss of off-site AC powerpower lines are downand then a subsequent fail

发表于:2019-01-08 / 阅读(62) / 评论(0)

Scientific American(三)月

VOA标准英语2010年-Report Says Jordan River Baptism Site

Members of the international Friends of the Earth group hold Israeli and Jordanian flags as they row kayaks in the Jordan River near Kibbutz Gesher (file photo) The Israeli government and environmentalists are sparring over one of the most important

发表于:2019-01-13 / 阅读(25) / 评论(0)

VOA标准英语2010年(七)月

TED演讲:变得更健康的不能说的秘密(7)

This was the first permit of its kind in Oregon. 下面是这类技术在俄勒冈州第一个通过法令的例子。 Brave and open-minded people sat down and felt comfortable saying, Yeah, that shit makes sense. 勇敢而心胸开阔的人们在圆桌

发表于:2019-01-18 / 阅读(33) / 评论(0)

TED演讲科学篇

世博会口语对话之水上巴士介绍

Visitor: How could I go to Puxi Site after my travel in Pudong Site? 参观者：我参观完浦东的园区，如何去浦西的园区呢？ Volunteer: You may buy a water bus ticket here, and take the water bus to the opposite Puxi Site. 志愿者：

发表于:2019-02-01 / 阅读(35) / 评论(0)

实用英语

英语听力精选进阶版 6332

The founder of Facebook ended a busy week, which saw his company valued at $106bn after a stock market flotation, by getting married. Mark Zuckerberg, who's the CEO of the world's most popular social networking site, wed his long-term girlfriend Pris

发表于:2019-02-21 / 阅读(39) / 评论(0)

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acanthocephaliasis

Acer caesium subsp. giraldii