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1·Hole punch clouds: This picture taken of Rural West Virgina shows cloud cover to the top left.

穿洞云：这幅拍摄西弗吉尼亚乡村地区的图片展示了左上角覆盖上空的云层。

2·As a woman writer, Virgina Woolf began to explore feminist literary criticism early in the end of 1920s.

弗吉尼亚·伍尔夫作为一名女性作家，早在2 0世纪末就对女性主义文学批评进行了探索。

3·The recent capture of what could be North America's largest recorded blue catfish-in Virgina in late june-has us thinking about this oversized species and its relatives.

目前捕获的最长北美蓝鲶记录——去年6月在弗吉尼亚——让我们对这种超大型鱼类和它的近支产生了兴趣。

4·Mr Cowen is a professor of economics at George Mason University in Fairfax, Virgina, and a co-owner of marginalrevolution.com, one of the best economics blogs on the internet.

考恩先生是乔治·梅森大学的经济学教授，互联网上最好的经济学博客之一marginalrevolution.com的主人之一。