Reading audio By Marilyn Christiano2005-5-21对不起，本篇听力不提供文本。 Category Words And Their Stories Related reading: Rocket Scientist: You Do Not Have to Be Extremely Intelligent to Understand This Are You a Party Animal? Are You Guilty of 'Sitting on the Fence?' Words and Their Stories: Bag Expressions Insect Expressions: I Don't Mean to Bug You