罗杰·海菲尔德是《新一代科学家》的编辑，也是《哈利·波特的科学：魔法是如何起作用的》一书的作者。
Roger Highfield is the editor of New Scientist and author of the book "the Science of Harry Potter: How Magic Really Works."
7月的某一天，琳达·迪克逊告诉我，罗杰·波特从白宫打来电话。
One July day, Lynda Dixon told me that Roger Porter was on the phone from the White House.
7月的某一天，琳达·迪克逊告诉我，罗杰·波特从白宫打来电话。
One July day, Lynda Dixon told me that Roger Porter was on the phone from the White House.
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