As for Coke Classic, well, the formula can be found on page 43 of Poundstone's book, but it includes vanilla extract, citrus oils, and lime juice flavoring.
至于传统可口可乐，其配方可以在庞德斯的书的第43页找到，都是常见的香草精，柑橘油，和柠檬味调料等等。
A sliver of citrus peel twisted over or dropped into a beverage for flavoring.
橘子皮放入或加入饮料中调味的一小块橘子皮。
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