六下数学公式简介：Su Can was stunned for a moment, then straightened up. It took him a long time to come back to his senses. He didn't know what to say. Finally, with an expression uglier than a smile on his face, he said, "I thought you were gone."
Su Can was stunned for a moment, then straightened up. It took him a long time to come back to his senses. He didn't know what to say. Finally, with an expression uglier than a smile on his face, he said, "I thought you were gone."
