仲夏午后，悶熱，雨將至。空蕩蕩的教室里，少年在黑板前奮筆疾書。 　　“1”，是那根中指，是高聳的欲望，也是少年冥思苦想的數(shù)學(xué)題的解。 　　Muggy summer afternoon, the rain will come. An empty classroom a teenager is writing on the blackboard and trying to solve a math problem. 　　1. It's the middle finger, it's the erect male genitalia, it's also th e answer to the math problem which troubled the boy so long.