A corner of the class sounded loud applause from clear, as Wan are silent on the platform sounded the siren sound, giving a calmly appeasement.Then, twice, three times ...

• 班里的某个角落响起了一声清脆的掌声，如同万籁俱静的月台上响起的汽笛声，给人以一种从容的安抚。