那是一个黄昏,是初三学子在中考前最后煎熬的时刻。我正在教室里对着一群昏昏欲睡的学生讲解着枯燥的文言文。风扇有气无力地轻轻盘旋,初夏的闷热正毫不留情地袭击他们本已疲倦的身心……一只蝴蝶却在这时悄然而至。它舞动着翩跹的身姿,扇动着黑色的有彩点斑纹的翅膀,从敞开着的一扇窗户勇敢地闯进了教室。也许是它太大了,在教室里煽起了一股凉风,马上有学生惊叫起来:“啊,蝴蝶!” It was a dusk. It was the time when the junior students finally suffered before the middle exam. I was explaining the boring classical language to a group of sleepy students in the classroom. The fans buzzed arrogantly, and the sweltering heat of early summer was mercilessly attacking their tired bodies and minds. But a butterfly came at this moment. It danced in a sultry pose, swaying with black colored speckled wings and bravely entering the classroom from an open window. Maybe it was too big. There was a cool breeze in the classroom. Students screamed immediately: “Ah, butterfly!”