物理班的教室并不那么安静,四下都是聊天的声音。我一人孤独地坐着,努力将思绪集中在老师的声音上。课快要结束时,我开始注意到有轻微的咚咚声掺杂在混乱的声音中,没有什么规律。我以为是对面有人在修理或搬运什么东西,并未多加理会。但过了段时间,这声音愈发急促,仔细聆听,可以感觉出是某种闷响,而且似乎就在斜后方不远。我疑惑地转过头去,猛然看见一只肥硕的白头翁拼命扑扇翅膀,一次又一次地撞击着窗户。飞累了,就停 The classrooms in physics class are not so quiet, all four are the voice of chatting. I sat alone, trying to concentrate my thoughts on the teacher’s voice. Near the end of the lesson, I began to notice that there was no law in the chaos of a slight tumult. I do not think there is someone in the repair or handling something, did not pay more attention. However, after a while, the sound became louder and louder. Listening closely to it could feel a muffled sound and it seemed that it was not far behind the diagonal. I turned around with suspicion, suddenly saw a plump Pulsatilla desperately fluttering wings, hit the window again and again. Tired, stop